Questions 1-500 Flashcards by adam miller

All Chapters - Knightlite Software 1 - 1) How much additional friction loss is calculated in a hoseline when it is fitted with a master stream - appliance? - A) 10 psi. - B) 20 psi. - C) 25 psi. - D) 30 psi. -

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2) The maximum capacity of a front-mounted pump depends usually upon the limitations of the engine - driving it, but typically they can pump as high as - - A) 500 gpm - B) 800 gpm - C) 1000 gpm - D) 1250 gpm -

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3) A firefighter familiar with the sprinklered building should accomplish which of the following tasks as - soon as possible? - A) Check all gauges in the building control/riser room to determine if sprinkler supply conduits are - operating at appropriate pressure. - B) Inform the sprinkler maintenance or monitoring company of the incident. - C) Accompany the interior attack crew to verify fire location and sprinkler operation. - D) A and B. -

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4) The formula FL=CQ^2L represents the formula for calculating friction loss. What does the ‘Q’ stand for? - A) Friction loss coefficient. - B) Flow rate in hundreds of gmp(L/min)/100. - C) Hose length in hundreds of feet (meters)/100. - D) Elevation pressure -

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5) What determines the flow from a solid stream nozzle? - A) The diameter of the hoseline. - B) Nozzle pressure. - C) Size of the discharge opening. - D) B and C only. -

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All Chapters - Knightlite Software 2 - 6) Tandem pumping operations can be performed by placing pumpers as much as __ away. - A) 100 feet. - B) 200 feet. - C) 300 feet. - D) 400 feet. -

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7) To keep apparatus in a state of usefulness or readiness best describes which of the following? - A) Maintenance. - B) Refurbish - C) Repair - D) Replace -

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8) It is advisable that given the potential demand for large quantities of water that the transfer valve of a - two-stage pump be set to the PARALLEL (VOLUME) as a precaution. Under what special circumstances - would a two-stage pump be set to SERIES (PRESSURE) instead? - A) When additional lines will be required to be deployed. - B) When the supply line extends over a long distance and require high pressures. - C) When the first arriving apparatus is anticipated to carry the attack solo for a prolonged period of time. - D) A two-stage pump operating off a hydrant should never be set to SERIES (PRESSURE). -

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9) The speed in which water travels is referred to as - - A) Inertia - B) Acceleration - C) Flow rate - D) Velocity -

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10) Once water reaches a temperature of 212 degrees F, how many BTUs/lb are required to convert 1 - gallon of water to steam? - A) 1266 - B) 8080 - C) 152 - D) 364 -

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All Chapters - Knightlite Software 3 - 11) In a site where the bottom of the pond drops suddenly away at the shoreline, how should the strainer - and the hard intake hose be deployed? - A) Suspend the strainer by tying the rope to a vertical object on the opposite side of the pond. - B) Lay a log, on top of or peg down the hard intake hose so that the strainer is suspended over the edge - of the shoreline at the optimal drafting depth. - C) Lay a ground ladder from the shoreline edge into the water to support the strainer/hose at the proper - depth. - D) Use a low-level strainer . -

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12) The U.S. Forestry Service and the National Biological Survey Office have shown that Class A foams are - lethal to - - A) Insects. - B) Mammals. - C) Birds. - D) Fish. -

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13) If a eductor has a specified flow rate of 90 gpm (360 L/min) and the attached nozzle has a flow rate of - 90 gpm (360 L/min) what is the resulting effect on the quality of the foam produced ? - A) The foam will be high quality. - B) The foam will be too watery. - C) No foam will be produced. - D) The foam will be overly rich. -

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14) When two pumpers are dispatched to a fire scene, what is the commonly-accepted operational - procedure? - A) The first arriving pumper lays the supply line to a water source, while the second-arriving pumper begins - the attack. - B) The first-arriving pumper begins the attack using the on-board water tank, while the second-arriving - pumper reverse lays the supply line. - C) The first-arriving pumper reverse lays the attack line to a water source and begins the attack, while the - second-arriving pumper boosts the water pressure using a four-way hydrant valve. - D) Both apparatus conduct attacks, and then the first-arriving pumper disengages to reverse lay the supply - line when the water level in the on-board tank is depleted. -

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All Chapters - Knightlite Software 4 - 15) The most efficient tenders for use in water shuttle operations have water tank capacities of less than - - A) 3,000 gallons - B) 10,000 gallons - C) 5,000 gallons - D) 2,500 gallons -

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16) In checking apparatus sirens, and air horns, ear protection should be worn if any personnel will be - exposed to noise levels in excess of - - A) 50 decibels - B) 70 decibels - C) 90 decibels - D) 100 decibels -

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17) Any fire stream that is too large to be controlled without mechanical aid is referred to as - - A) Masters streams. - B) Elevated master streams. - C) Controlled streams. - D) Fixed streams. -

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18) Which of the following statements is not true ? - A) Friction loss in a system increases as the length of the hose or pipe increases. - B) One of the physical properties of water is that it compresses easily. - C) The same volume of water supply into a fire hose under pressure at one end will be discharged at the - other end. - D) The smaller the hose, the greater velocity needed to deliver the same volume. -

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19) All apparatus driver/operators do not have to qualify to set up and operate a pump apparatus at which - of the following fire incidents? - A) Wildland fire. - B) Industrial facilities fires. - C) HazMat incidents. - D) None of the above. -

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All Chapters - Knightlite Software 5 - 20) Which method of moving water uses a primary water source located at a higher elevation than the - distribution system? - A) Vacuum pumping system - B) Gravity system - C) Direct pumping system - D) Combination system -

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21) Typically, what should the engine speed be set to in order to prime the apparatus pump? - A) 750 rpm -1,000 rpm. - B) 1,000 rpm - 1,200 rpm. - C) 1,200 rpm - 1,500 rpm. - D) 2,000 rpm - 2,200 rpm. -

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22) With the exception of __ it is not recommended that vehicle fluids be checked, while the apparatus is - running. - A) Automatic transmission fluid. - B) Crankcase oil - C) Brake fluid - D) Radiator coolant -

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23) Solid master streams are usually operated at - - A) 50 psi. - B) 80 psi. - C) 100 psi. - D) 150 psi. -

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24) A unit that allows several electrical devices to be supplied by one main power cord from an electrical - source is called a - - A) Electrical adaptor. - B) Power splitter. - C) Junction box. - D) Generator box. -

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All Chapters - Knightlite Software 6 - 25) In which of the following fire incidents would it be most appropriate to use the "Bank-Down" foam - application method? - A) An overturned and leaking railroad tanker car containing aviation fuel. - B) A pool of un-ignited benzene in an industrial parking lot. - C) A two acre pool of burning #2 fuel oil seeping out of a ruptured underground pipeline. - D) An ignited gasoline storage tank (cone roof tank). -

26) When driving an automatic transmission emergency vehicle in heavy traffic the shift selector position - should be - - A) 2 or 1-2 - B) 3 or 1-3 - C) 4 or 1-4 - D) 5 or 1-5 -

27) High-pressure fog nozzles are best used for fighting which a the following types of fires? - A) Residential structure fires. - B) Chimney fires. - C) High-rise building fires. - D) Wildland fires -

28) Class A fires requiring both good water penetration and foam blanketing capabilities should have - which of the following foam types applied? - A) Balanced - B) Dry - C) Medium - D) Wet -

29) A Midship Transfer Drive, using a two-stage centrifugal pump, which is popular in the fire service, can - pump at which of the following volumes? - A) 500 gpm. - B) 1000 gpm. - C) 1500 gpm. - D) All the above. -

All Chapters - Knightlite Software 7 - 30) All of the following statements regarding the 'Constant Pressure Relay Method' are true except for - which for which of the following? - A) It requires complicated calculations be made at the fire scene. - B) It reduces radio traffic and confusion between pump operators. - C) It speeds up relay activation. - D) Pump operators in the relay only have to guide and adjust pressure to one constant figure. -

31) Which of the following is NOT a common cause for ground thawing at the water supply site? - A) Exhaust discharged from the apparatus. - B) Warm water in the apparatus. - C) Water spilling on the ground. - D) Sudden changes in the air temperature. -

32) On manual transmission apparatus, the distance that the clutch petal must be pushed before the - throw-out bearing actually contacts the clutch release fingers is known as - - A) Free play - B) Free travel - C) Free distance - D) A and B only -

33) Driver/operator Brian says that portable flowmeters should be placed between in-line gauges when - testing for friction loss coefficients. - Driver/Operator Bob says that portable flowmeters can be placed anywhere in the hoseline except between - the in-line gauges. - Who is correct? - A) Driver operator Brian. - B) Driver/operator Bob - C) Both are correct. - D) Neither are correct. -

All Chapters - Knightlite Software 8 - 34) Generally, it is not possible to pump water out of the apparatus as fast as a dump valve empties the - tank, the limiting factors are- - A) Flow capacity of the tank to pump lines. - B) Pump size and venting capability. - C) Ability to control hoselines at the delivery point. - D) All of the above. -

35) What procedures should the Pump Operator take to clear a corroded or dirty relief valve? - A) Set the pump pressure to 200 psi ( 1380 kPa) and make the relief valve operate by cranking the [relief - valve] adjustment control in and out rapidly. - B) Set the relief valve adjustment control to minimum and turn the valve on and off for 30 seconds. - C) If equipped with a shut off, set discharge pressure to 200 psi (1380 kPa) , set adjustment control to - minimum and turn off the valve for 60 seconds. - D) If equipped with a shut off, set discharge pressure to 150 psi (1050 kPa), set adjustment control to - minimum, and turn valve on and off for 60 seconds. -

36) As a Driver/Operator how much more pressure loss must be added to your calculations involving - master stream devices? - A) 10 psi. - B) 15 psi. - C) 20 psi. - D) 25 psi. -

37) The driver/operator should never attempt to shut down the engine while the apparatus is in motion for - which of the following reasons? - A) The action cuts off fuel flow from the injectors. - B) It prevents proper lubrication of the injectors which is required anytime the injector plunger is moving. - C) It can cause fuel pressure to build up behind the shutoff valve and prevent the valve from opening. - D) All the above. -

All Chapters - Knightlite Software 9 - 38) When operating an apparatus NOT equipped with ABS brakes and the apparatus starts to skid, do all of - the following except - - A) Turn the apparatus steering wheel so that the vehicle faces in the opposite direction of the skid. - B) Release the brakes to allow the wheels to rotate freely. - C) Release the clutch (If using a standard transmission). - D) Once the skid is controllable, gradually apply power to the wheels. -

39) On apparatus equipped with air brakes the NFPA 1901 standard requires that air pressure to build up to - a sufficient level to allow safe vehicle operations with a time span of __ after starting the apparatus. - A) 10 seconds. - B) 15 seconds. - C) 30 seconds. - D) 60 seconds. -

40) In producing foam from an Around-the-Pump Proportioner, if the intake water line from a fire hydrant - has a pressure of 50 psi (350 kPa), the discharge rate is 500 gpm (2000 L/min) at a 6% concentrate and the - fire area is 1,000 s.f. (100 s.m.) what will be the resulting foam application rate? - A) 0.5 gpm per s.f.( 20 L/min per s.m.) - B) 1.0 gpm per s.f. ( 40 L/min per s.m.) - C) 0.25 gpm per s.f. (10 L/min per s.m.) - D) 0.00 gpm per s.f. (0 L/min per s.m.) -

41) Which of the following would not normally be considered a duty of a fire apparatus driver? - A) To transport the apparatus, personnel, and equipment safely to the scene. - B) To operate the apparatus properly, quickly, and safely once at the scene. - C) To ensure that the apparatus and all equipment it carries is in a state of readiness at all times. - D) To lead first-in interior fire attacks. -

42) Your pumper is operating from a hydrant and is discharging water at 180 psi. The incoming pressure - from the hydrant measures 20 psi on the intake gauge. Calculate the net pump discharge pressure. - A) 50 psi. - B) 90 psi - C) 200 psi - D) 160 psi -

All Chapters - Knightlite Software 10 - 43) When three hoselines of equal length are siamesed to supply a working fire stream, the friction loss is - approximately __ of that of a single hoseline at the same nozzle pressure. - A) 10% - B) 20% - C) 25% - D) 30% -

44) Which of the following statements most accurately describes ground reservoirs? - A) They are less accessible than regular ponds or lakes. - B) They commonly have unimproved roads serving one or more sides of the reservoir. - C) They are not commonly found on commercial properties and municipal water treatment facilities. - D) They typically contain many millions of gallons of water. -

45) In general, what methods are used to check the operation of foam proportioning systems and - equipment? - I. Testing the foam to water solution concentration produced. - II. Testing the rate at which foam is delivered from the nozzle or blower device. - III. Testing the consumption rate of foam concentration in proportion to a known quantity of - water. - A) I only. - B) I and II. - C) II and III. - D) I and III. -

46) Which method for determining the amount of additional water available from, a hydrant employs the - following formula? - (Static-Residual) (100) - x = _________________________________ - Static Pressure - A) Squaring the Lines - B) Percent Drop - C) First Digit - D) Subtracting the Squares -

All Chapters - Knightlite Software 11 - 47) If a pumper connects to a hydrant with a static pressure of 55 psi (380 kPa) and a 2-inch (50mm) - handline is used to deliver 200 gpm (800 L/min) , the intake pressure drops to 43 psi ( 300 kPa). How many - more 2 inch handlines can be operated without lowering the hydrant pressure to below 20 psi (140 kPa)? - A) One - B) Two - C) Three - D) None -

48) Finished foams with air/solution ratios of between 20:1 and 200:1 are considered to be - - A) High-expansion foams. - B) Medium-expansion foams. - C) Low-expansion foams. - D) All the above. -

49) Which of the following foam concentrates should not be used in a Batch Mix? - A) Class A foams - B) Class A foams if the foam is not to be applied within 12 hours - C) AFFF - D) Any alcohol resistant foam -

50) Which of the following is a significant advantage of a Variable-Flow Variable-Rate Direct Injection - System? - I. Nozzle elevation above or below the pump does not impact foam proportioning. - II. The orifice of the foam concentrate line can be adjusted at the location of the discharge line. - III. The system automatically adjusts to variations in water flows when nozzles are opened or - closed. - A) I only. - B) I and II. - C) II and III. - D) I and III. -

All Chapters - Knightlite Software 12 - 51) The prime objective of the driver/operator is to - - A) Provide fire suppression crews with the water flow and pressure needed to achieve effective fire control. - B) To direct pumping operations at the scene of an emergency. - C) To coordinate hose lays with other pumping apparatus. - D) To be accountable for all personnel on the engine. -

52) The pump overheating light goes on while you are in the midst of operations. What is the appropriate - action? - A) Open the booster cooling valve or set circulator valve to TANK. - B) Disengage pump immediately. - C) Open flush line. - D) Shut down engine. -

53) You and your crew have been assigned to a motor vehicle crash on a four lane interstate highway. - Two cars are blocking the extreme right hand lane. Which lane(s) should be closed in order to allow - firefighters to safely work at the scene? - A) The lane immediately next to the incident. - B) The two adjacent lanes next to the incident. - C) No lanes need to be shut down. Firefighters should work on the shoulder side of the incident. - D) All lanes should be shut down to insure the safety of the firefighters. -

54) For relay pumpers it is best to maintain an intake pressure of - - A) 20 - 30 psi. - B) 30 - 40 psi. - C) 50 - 60 psi. - D) 60 - 70 psi. -

55) When a driver/operator increases the discharge pressure of the pump above 150 psi - - A) There is a decrease in volume of water that is being discharged. - B) There is a proportional increase of volume of water that is being discharged. - C) The discharge pressure comes to equilibrium. - D) The volume of water that is being discharged will remain the same no matter what the pump discharge - pressure may be. -

All Chapters - Knightlite Software 13 - 56) If the master discharge pressure gauge is reading 200 psi (1380 kPa) during a discharge pressure gauge - test, then which of the readings indicates a faulty individual discharge line gauge? - A) 188 psi (1297 kPa). - B) 198 psi (1366 kPa). - C) 209 psi (1442 kPa). - D) 200 psi (1380 kPa). -

57) If 8 parts of foam concentrate are mixed with 92 parts water, a __ foam concentrate is produced. - A) 8% - B) 11.50% - C) 92% - D) 100% -

58) What would be the head pressure at a hydrant if its water source sits in a 50 foot water tower which is - situated on a 75 foot (vertical drop) hill ? - A) 54.3 psi - B) 25 psi - C) 125 psi - D) 51.9 psi -

59) What should the dump site pumper do to insure that prime is not lost when other discharge lines are - shut down? - A) Flow a booster line back into the portable tank. - B) Install an additional intake line. - C) Manually control the dump valve. - D) None of the above. -

60) When positioning at draft, what spot maximizes the amount of water that can be supplied to the - tender? - A) One that requires a maximum amount of lift or hard intake hose. - B) One that requires a minimum amount of lift or hard intake hose. - C) One that requires no amount of lift or hard intake hose. - D) One that requires a maximum amount of lift and a minimum amount of hard intake hose. -

All Chapters - Knightlite Software 14 - 61) The weight of 1 cubic foot of water is approximately - - A) 8.33 lb - B) 18.66 lb - C) 48.6 lb - D) 62.5 lb -

62) If the Driver/Operator determines that lack of pumping pressure is not attributable to air in the - pumping system, or a partially closed transfer valve, then what action should the operator take? - A) Close discharge valves, and reprime pump. - B) Close transfer valves and increase engine throttle. - C) Reduce engine throttle and check that pump is in gear or that the pump shift transfer has been made. - D) Shut down engine, close all valves, and repeat start up procedure from the beginning. -

63) Which of the following formulas can be used to determine elevation pressure? - (1) EP = 0.5 x H (2) EP = 0.5 / H (3) EP = 5 psi x (Number Of Stories + 1) (4) EP = 5 psi x (Number Of - Stories - 1) - A) 1, 4. - B) 2, 3. - C) 1, 3. - D) 2, 4. -

64) All of the following statements are true except - - A) Driver/operators can increase the flow in a relay by placing additional pumpers in the relay. - B) In-line relay valves can easily be introduced in to the relay line without disrupting relay pumping - operations. - C) Shortening the length of hoselines each pumper has to supply will increase the flow in a relay pumping - operation. - D) Some pumpers participate in relay pumping operations by adding their hose to the relay lays, but do - not actually hook in and participate in the pumping operation itself. -

All Chapters - Knightlite Software 15 - 65) Which of the following is NOT correct in describing the action as the vanes progress toward the - discharge opening? - A) Pressure reaches its maximum level. - B) The air being evacuated from the intake side causes a reduced pressure. - C) Water is forced into the pump by atmospheric pressure until the pump fills with water. - D) Water is forced into the pump by a reverse vacuum pressure. -

66) Engine Tenders differ from Rescue Pumpers in that - - A) They do not have the fire fighting capabilities as a full-sized fire department pumper. - B) They do not carry water. - C) The carry more ladders. - D) They are not equipped with rescue equipment and only carry a small volume of water. -

67) What would be the purpose of installing integral screens in a foam nozzle? - A) To filter out clots of coagulated foam concentrate in the fire stream. - B) To further aerate the foam stream. - C) To filter out debris and foreign objects in the fire stream. - D) To protect the delicate internal baffles and deflector plates from outside objects. -

68) Water main valves should be operated __ to keep them in good working order. - A) Every six months. - B) At least once a year. - C) Every two years. - D) Every three years. -

69) All of the following statements are true regarding using the GPM Flowing method except - - A) The method can be used for both Metric and US. - B) The method is applicable to both solid and fog streams. - C) The method can be used for hose sizes other than 2 1/2 inch. - D) The driver/operator only needs to know the flow rate in gallons per minute from the nozzle at a - specified pressure. -

All Chapters - Knightlite Software 16 - 70) What is "negative pressure"? - A) When intake pressure from a pressurized water supply exceeds discharge pressure. - B) When discharge pressure so exceeds intake pressure that intake pressure registers at or below 0 psi (0 - kPa). - C) When an external water supply is interrupted and there is no flow in the intake line. - D) Cavitation in the apparatus pump. -

71) Which of the following types of water poses the most potential harm to the pump apparatus? - A) Silty, cloudy water. - B) Water from the salt marsh. - C) Water directly from the ocean. - D) Water that is 35 degrees F ( 2 degrees C). -

72) Which of the following has become quite common in attacking wildland fires and protecting - exposures? - A) High-expansion foams - B) Alcohol-resistant foams - C) Class A foams - D) Class B foams -

73) Most industrial foam pumpers are primarily intended to produce large quantities of foam to attack - - A) Class A fires - B) Class B fires. - C) Class C fires. - D) Class D fires. -

74) Under what circumstances do pumpers most frequently encounter cavitation? - A) When the pumper is operating at high pressure while supplying long hoselines. - B) During drafting operations from a static water supply. - C) When the vertical lift exceeds 20 feet (6 m). - D) When the hydrant is malfunctioning. -

All Chapters - Knightlite Software 17 - 75) How should an alcohol resistant AFFF be applied to a polar solvent fire? - A) Sprayed under the fire. - B) Plunged into the fire. - C) Sprayed over the top of the fuel. - D) Plunged into the fire and then shift to roll-on method. -

76) To ensure safety and efficiency fog nozzles should be operated at a nozzle pressure of - - A) 250 kPa. - B) 500 kPa. - C) 700 kPa. - D) 1000 kPa. -

77) Pressure changes in hoselines are possible as a result of all of the following except - - A) Hose friction loss. - B) Appliance friction loss. - C) Pressure loss and gains due to elevation. - D) The relative age of the apparatus. -

78) __ generally carry a wide assortment of relay valves, discharge manifolds, and other special water - equipment that is used in relay pumping. - A) Source pumpers. - B) Relay pumpers. - C) Hose tenders. - D) Attack pumpers. -

79) What general safety rule must always be observed during pump tests? - A) Never hold the test nozzle by hand. - B) Always clamp the pitot gauge in position at the nozzle. - C) Never stand within 10 feet of the hose couplings. - D) Never run with scissors. -

All Chapters - Knightlite Software 18 - 80) All of the following are factors that influence the driver/operator's ability to stop the apparatus except - - A) The age of the driver/operator. - B) The condition and slope of the driving surface. - C) The weight of the vehicle and overall type and condition of the vehicle's braking system. - D) The speed the vehicle is traveling. -

81) When operating a draft, what apparatus gauge must operate in its normal range without exception? - A) Engine temperature gauge. - B) Tachometer. - C) Pump Discharge gauge. - D) Water tank level indicator. -

82) The only truly accurate way to determine pressure loss in any particular hose lay is by - - A) Measure the pressure at both ends of the hose and subtract the difference. - B) Calculate the pressure loss through the use of formulas. - C) Calculate the pressure loss through the use of field applications. - D) All the above. -

83) The functions performed by a fire boat include which of the following? - A) Ice and water rescue. - B) Fire fighting. - C) Relaying water to land-based apparatus. - D) All the above. -

84) Which of the following rules should be observed at all times? - A) Keep the hard intake hose off the ground while making all connections. - B) If necessary, use a claw hammer to tighten coupling lugs. - C) Do not tie a rope to the strainer if the apparatus extracts the hard intake hose by moving the apparatus. - D) Never pet a stray dog. -

All Chapters - Knightlite Software 19 - 85) Which of the following is not a static water supply source? - A) Lake - B) River - C) Hydrant - D) Swimming pool -

86) The use of warning devices should be restricted to true emergency responses. Warning devices should - not be used on any of the following calls except - - A) Car fires. - B) Carbon monoxide detector sounding. - C) Covering an empty fire station. - D) Nuisance fires. -

87) If most flammable liquids have a specific gravity less than water, then the flammable liquid would have - a tendency to - - A) Float on top of water. - B) Separate and sink below the level of water. - C) Mix evenly with water through passive diffusion. - D) Form an emulsion when exposed to water. -

88) When three hoselines of equal length are siamesed to supply a working fire stream, the friction loss is - approximately __ of that of a single hoseline at the same nozzle pressure. - A) 10% - B) 20% - C) 25% - D) 30% -

89) Which of the following statements about Class A foam is UNTRUE? - A) Class A foams are biodegradable in the environment. - B) Class A foam has corrosive characteristics, but due to the low concentrations used, these foams rarely - damage or impact fire apparatus and equipment. - C) Class A foams can be used with solid stream or fog nozzles. - D) The USDA Forest service and the Environmental Protection Agency (EPA) rate Class A foams as a - hazardous material and significant threat to aquatic ecosystems. -

All Chapters - Knightlite Software 20 - 90) Which of the following nozzles cannot be used in conjunction with protein or fluoroprotein foam - concentrates? - A) Fog Nozzles. - B) Self-educting master stream foam nozzles. - C) Air-Aspirating Foam Nozzles. - D) Any nozzle type used with a Bypass-Type Balanced Pressure Proportioner installed in the fire apparatus. -

91) The process in which the load monitor shuts down less important equipment to prevent overload is - referred to as - - A) Load mapping - B) Load directing - C) Load distribution - D) Load shedding -

92) All intake lines leading to a centrifugal pump are normally located - - A) Above the eye of the impeller. - B) Even with the eye of the impeller. - C) Below the eye of the impeller. . - D) Above and below the eye of the impeller. -

93) Which of the following foam proportioning systems is the most commonly found on structural fire - apparatus? - A) Variable-Flow Variable-Rate Direct Injection Systems. - B) Around-the Pump-Proportioners. - C) Bypass-Type Balanced Pressure Proportioners. - D) Variable-Flow Demand-Type Balanced Pressure Proportioners. -

94) When used for fire extinguishment, durable agents are normally applied at which of the following - ratios? - A) 1:100 - B) 1:150; - C) 1:200. - D) 1:300 -

All Chapters - Knightlite Software 21 - 95) In selecting a drafting location, which site condition would be preferable to obtain rated capacity of - the pumper? - A) A site where the pumper is 9 feet (2.8 m) above the water surface, the lift between the strainer and the - intake is 28 feet (8.5 m). - B) A site where the pumper is 15 feet (4.6 m) above the water surface, the lift between the strainer and the - intake is 7 feet - (2 m). - C) A site where the pumper is 6 feet (1.8 m) above the water surface, the lift between the strainer and the - intake is 52 feet (15.9 m). - D) A site where the pumper is 10 feet (3 m) above the water surface, the lift between the strainer and the - intake is 18 feet (5.5 m). -

96) Road tests and hydrostatic tests are examples of what kind of apparatus testing? - A) Manufacturer's test. - B) Certification tests. - C) Service tests. - D) Acceptance tests. -

97) It is generally recommended that intake relief valves be set to the open position when the intake - pressure rises more than __ over the desired operating pressure. - A) 10 psi. - B) 20 psi. - C) 30 psi. - D) 40 psi. -

98) An onshore connection consisting of a length of pipe equipped with a strainer that extends into a - water supply source is called a - - A) Dry hydrant. - B) Wet hydrant. - C) Temporary hydrant. - D) Drafting hydrant. -

All Chapters - Knightlite Software 22 - 99) What is the weight of 1 gallon of water at 60 degrees F? - A) 6.33 lbs. - B) 8.33 lbs. - C) 9.22 lbs. - D) 11.35 lbs -

100) What is the purpose of a "bypass proportioner" ? - A) To reduce friction loss in the water stream when foams are not being applied from the apparatus. - B) To eliminate the need for an external foam concentrate container. - C) To bypass the JRC in situations demanding lower foam concentrations than 6%. - D) To bypass the apparatus pump in situations where CAFS systems are necessary to boost the range of - the foam stream. -

101) Which of the following foams produces a runoff with the least impact upon the environment, and - particularly aquatic ecosystems? - A) Aqueous Film Forming Foam. - B) Protein Foams. - C) Polar Solvent Foams. - D) Class A foams. -

102) As a Driver/Operator how much more pressure loss must be added to your calculations involving - master stream devices? - A) 90 kPa. - B) 120 kPa. - C) 150 kPa. - D) 175 kPa. -

103) A fire hydrant that receives water in only one direction is called a - - A) Circulating-feed hydrant. - B) Dead-end hydrant. - C) Uni-flow hydrant. - D) Grid-end hydrant. -

All Chapters - Knightlite Software 23 - 104) Which of the following types of eductors uses the Venturi effect to introduce foam concentrate into - the water stream? - A) In-line eductor. - B) Foam Nozzle eductor - C) CAFS - D) A and B -

105) What is the atmospheric pressure at sea level? - A) 14.7 psi (100 kPa). - B) 12.7 psi (86 kPa). - C) 14.1 psi (97 kPa). - D) 13.8 psi (95 kPa). -

106) You are unable to get a reading on the pressure gauge in a single stage pumper. The pump has been - put into gear, the green indicator light is on, the clutch is engaged and the speedometer reading is normal - for pump operation. What is wrong? - A) There is no water in the pump. - B) The transfer valve is in the wrong position. - C) The discharge valve is closed. - D) The pressure gauge is defective or the pump is not flooded. -

107) IFSTA and NFPA use __ to help approximate friction loss for the various types of hose in use today. - A) Formula coefficients. - B) Friction loss coefficients. - C) Pressure loss coefficients. - D) Hoseline coefficients. -

108) In-take pressure relief valves should be set to within __ of the static pressure of the water system - supplying the pumper or __ above the discharge pressure of the previous pumper in the relay. - A) 10 psi, 20 psi. - B) 10 psi, 10 psi. - C) 15 psi, 20 psi. - D) 20 psi, 20 psi. -

All Chapters - Knightlite Software 24 - 109) If the attack lines are not prepared to be charged by the time the pump pressure has been built up, - what actions should be taken by the Driver/Operator? - A) Partially open the pump-to-tank line (tank fill valve) to allow water to circulate. - B) Reduce engine throttle and pump pressure. - C) Charge one line to relieve pressure in the system while the other attack lines are prepared. - D) Disengage the pump until attack lines are ready to be charged. -

110) Which of the following eductors offers the least mobility and most logistical problems for firefighters? - A) In-line eductors. - B) Foam Nozzle eductors. - C) Self-Educting Master Stream Foam Nozzles. - D) Fog nozzles. -

111) Which of the following readings are not essential to a pump capacity test? - A) Engine oil pressure. - B) Pump discharge pressure. - C) Nozzle pressure (flow). - D) Engine tachometer. -

112) Using the FEMA Engine Typing Requirements, what would be the pump capacity of a Type I pumper? - A) 1000 gmp. - B) 500 gpm. - C) 120 gpm. - D) 70 gpm. -

113) Driver/operator Brian says that portable flowmeters should be placed between in-line gauges when - testing for friction loss coefficients. - Driver/Operator Bob says that portable flowmeters can be placed anywhere in the hoseline except between - the in-line gauges. - Who is correct? - A) Driver operator Brian. - B) Driver/operator Bob. - C) Both are correct. - D) Neither are correct. -

All Chapters - Knightlite Software 25 - 114) Which of the following pressures would typically NOT be used in a pump service test? - A) 250 psi (1700 Kpa). - B) 175 psi (1218 kPa). - C) 150 psi (1000 kPa). - D) 165 psi (1150 kPa). -

115) The amount of output pressure that a pump may develop is directly dependent on which of the - following? - A) The size of the impeller. - B) The size of the eye. - C) The volume of water the pump is discharging. - D) None of the above. -

116) The main disadvantage of connecting to a 2 1/2 inch outlet on a fire hydrant is it - - A) Limits the amount of water that can be supplied to the pumper. - B) Is a more time consuming process. - C) Reduces the amount of friction loss along the length of the intake line. - D) Limits you from utilizing the larger outlet. -

117) Taking into consideration the surrounding atmospheric pressure and friction loss in the intake hose, - every fire pump in good repair should have a dependable lift of at least - - A) 12 ft - B) 15.1 ft - C) 16.5 ft - D) 14.7 ft -

118) When solid streams are used as handlines they should be operated at which a the following nozzle - pressures? - A) 50 psi. - B) 60 psi. - C) 70 psi. - D) 80 psi. -

All Chapters - Knightlite Software 26 - 119) Which of the following criteria is INCORRECT in regards to gravity dumps being preferred over jet - dumps? - A) The apparatus using the Jet dump must be equipped with a fire pump. - B) Gravity dumps are easier to operate. - C) Gravity and jet dumps are equivalent in cost to install. - D) Jet dumps increase the cost of purchasing the apparatus. -

120) Which of the following hydrants would be more susceptible to sedimentation and deterioration? - A) Hydrants located on a dead-end street. - B) Hydrants located on a grid water main system. - C) Hydrants located on a "T" water main layout. - D) Hydrants located on a dead-end water main. -

121) Under what conditions should a firefighter working on ice wear a personal flotation device (PFD) ? - A) Area being breached is waist deep. - B) Area being beached is knee deep. - C) Area being breached is chest deep. - D) Regardless of the assumed water depth, all firefighters working in the close proximity to bodies of water - must wear personal flotation devices. -

122) There are practical limits to the velocity in which a stream of water can travel through hoseline. If the - velocity of the water increases beyond its limits, the friction within the hose becomes so great that the - entire stream is agitated by the resistance. This agitation causes a degree of turbulence called - - A) Critical velocity. - B) Critical mass. - C) Critical pressure. - D) Critical limit. -

All Chapters - Knightlite Software 27 - 123) When determining friction loss coefficients using in-line gauges, how far from the second gauge - should the nozzle be placed if you are testing hose in 100 foot lengths? - A) 50 feet. - B) 100 feet. - C) 150 feet. - D) 200 feet. -

124) Which of the following is not one of the main factors that influence a centrifugal fire pump's - discharge pressure? - A) The amount of water being discharged. - B) The amount of air pressure built up in the pump. - C) The speed at which the impeller is turning. - D) The pressure of the water when it enters the pump from a pressurized source. -

125) Pumping apparatus with elevated water devices typically range in height from - - A) 10 to 15 feet. - B) 25 to 50 feet. - C) 50 to 75 feet. - D) 75 to 100 feet. -

126) In a study conducted by the Driver's Reaction Course concluded that a siren sounding on a vehicle - traveling at 40 mph will project __ ahead of the vehicle. - A) 50 feet. - B) 100 feet. - C) 200 feet. - D) 300 feet. -

127) What is the maximum height to which water will be lifted when the intake gauge reads 16 inches of - mercury? - A) 15.82. - B) 18.08. - C) 14.69. - D) 16.95. -

All Chapters - Knightlite Software 28 - 128) Which of the following observers should be present during the acceptance test trials? - I. Representative from the purchasing fire department. - II. Representative of the manufacturer. - III. Representative from the organization that conducted the certification test. - A) I. only - B) I and II. - C) I. and III. - D) All of the above. -

129) What is the advantage to a Self-Educting Master Stream Foam nozzle over standard foam nozzle - eductors? - A) Pressure drop is usually 10% or less. - B) Reach of the foam stream is substantially greater. - C) The Driver/Operator does not have to be concerned with foam concentrate proportioning. - D) A and B. -

130) The transfer case is controlled by all of the following except - - A) Mechanical linkage. - B) Hand-held infrared remote controls. - C) Electronic or Hydraulic controls. - D) Air operated controls. -

131) In order to transition from a apparatus tank to an external water supply, how should the - Driver/operator operate the intake gate valve and the tank-to-pump transfer valve.? - A) Shut the transfer valve and then open the intake valve. - B) Slowly open the intake valve and then close the tank-to-pump valve. - C) Open the intake gate valve while simultaneously closing the tank-to-pump valve. - D) All of the above sequences may be used in different fireground circumstances. -

132) Which of the following is the correct formula for calculating 'Net Pump Discharge Pressure' ? - A) NPDP = PDP - Intake Reading - B) NPDP = PDP + Intake Reading - C) NPDP = PDP * (0.5) * Intake Reading. - D) NPDP = PDP + Intake Reading / 100 -

All Chapters - Knightlite Software 29 - 133) The height of a water supply above it's discharge orifice divided by 2.304 is referred to as - - A) Head pressure. - B) Static pressure. - C) Residual Pressure. - D) Flow pressure. -

134) Which of the following would not be considered viable anchor points? - A) Hill tops. - B) Lakes, ponds, or streams. - C) Previously burned areas. - D) Roads. -

135) According to DOT approximately how many civilians are killed per year that are associated with - emergency vehicle collisions, while responding to or returning from emergency calls? - A) 10 - B) 25 - C) 45 - D) 55 -

136) According to NFPA 1901, the minimum pump capacity for aerial apparatus should be - - A) 150 gpm at 100 psi. - B) 150 gpm at 150 psi. - C) 250 gpm at 100 psi. - D) 250 gpm at 150 psi. -

137) When the apparatus is put into pump gear most apparatus registers the engine speed in road miles - per hour on the speedometer, while the pump is operating. In view of this, with the engine idling, and - the pump engaged, most speedometers should read between - - A) 0 mph. - B) 5 to 10 mph. - C) 10 to 15 mph. - D) 15 to 20 mph. -

All Chapters - Knightlite Software 30 - 138) Aerial devices with piped waterways are - - A) Treated in the same manner as other master stream devices by using a friction loss of 25 psi, that - includes the intake, internal piping, and the nozzle. - B) Treated as regular hoselines unless they exceed 350 feet in length. - C) Not calculated in any special manner, as long as the Driver/Operator also includes the elevation pressure - in his calculations. - D) Always calculated as the line that derives the highest friction loss in the hose assembly. -

139) All fire department pumpers are rated at a level of __ through __ of intake hose - A) 5 ,15 ft - B) 20, 30 ft - C) 10, 20 ft - D) 15, 25 ft -

140) There are a number of different water additives that have been developed for use as extinguishing - agents and for pretreating structures threatened by fires spreading towards them. These agents retain their - fire retarding properties longer than Class A foams and are known as - - A) Pre-foam. - B) Wetting agents. - C) Long-lasting agents. - D) Durable agents -

141) Which hydrant capacity method produces a number without the Operator having to engage in more - complex mathematical calculations? - A) Squaring the Line method. - B) Percent Drop Method. - C) First Digit Method. - D) Multiply by Two Method. -

All Chapters - Knightlite Software 31 - 142) How much water pressure is exerted per meter of elevation when pumping water through hoseline? - A) 1 kPa. - B) 3 kPa. - C) 5 kPa. - D) 10 kPa -

143) When apparatus is used in a mobile attack during wildland fires, hose lines - - A) Should not be deployed. - B) Should be kept as short as possible. - C) Should be stretched out as far as possible in order to attack the head of the fire while keeping the - apparatus a safe distance from direct exposure. - D) Should only be deployed to the flanks of the fire. -

144) Which of the following testing procedures would be appropriate for verifying the quality of an AFFF - foam? - A) Foam Concentrate Displacement Method. - B) Foam Solution Refractivity Testing. - C) Foam Concentrate Pump Discharge Volume Method. - D) Foam Solution Conductivity Testing. -

145) When backing up fire apparatus, which of the following would be considered the most desirable for - insuring the highest degree of safety? - A) One spotter using hand-signals to direct the driver/operator. - B) One spotter using a portable radio to communicate with the driver/operator. - C) Two spotters, one with a portable radio to communicate with the driver/operator and the other to assist - the first spotter. - D) Two spotters, both with portable radios to communicate with the driver/operator. -

146) Which of the following statements regarding a Hydrostatic Test are FALSE? - A) All apparatus pumps are tested hydrostatically at 250 psi (1,725 kPa). - B) Minimum length of the test is no more than two (2) minutes without a failure of any component of the - pump system. - C) All tank fill lines, tank-to-pump line, and by-pass lines must be closed for the duration of the - hydrostatic test. - D) All discharge valves should be opened but capped , while intake lines should be closed and capped. -

All Chapters - Knightlite Software 32 - 147) The highest priority at any wildland fire is - - A) Positioning the apparatus. - B) Attacking the fire at its head. - C) Attacking the fire at its heal. - D) Protecting exposures. -

148) It is best to keep apparatus fuel tanks - - A) Full at all times. - B) At least half full at all times. - C) At least three-quarters full at all times. - D) At least five-eights full at all times. -

149) All of the following equipment is used in conducting tests to determine friction loss coefficients - except - - A) Pitot tubes - B) Flowmeters - C) Two in-line gauges, preferably calibrated in increments of 50 kPa or less. - D) Refractometers -

150) A(n) __ consists of a short length of large diameter hose that has a large nozzle or large playpipe - supported at the discharge end by a tripod. - A) Deluge set. - B) Turret pipe. - C) Monitor. - D) Elevated master stream. -

All Chapters - Knightlite Software 33 - 151) Firefighter Chris says that fire boats are best suited to pump water through large master stream - devices. - Firefighter Jason says that fire boats are best suited for providing additional water for onshore fire fighting - operations. - Who is correct? - A) Firefighter Chris. - B) Firefighter Jason. - C) Both are correct. - D) Neither are correct. -

152) The construction of rotary-type pumps in use today can be identified by ALL but which of the - following - - A) Rotary gear construction. - B) Rotary vane construction. - C) Powered by either a small electric motor or through a clutch that extends off the apparatus drive shaft. - D) The most complicated of all fire apparatus pumps from the standpoint of design. -

153) Municipal fire apparatus generally have foam tanks that range from - - A) 20 to 100 gallons. - B) 100 to 250 gallons. - C) 250 to 500 gallons - D) In excess of 500 gallons. -

154) What is a "pump and roll" operation? - A) The initial setup at one location on the fireground. - B) Setting up at one location at the scene and then disengaging to set up at another location on the same - fireground. - C) Transporting water from a static source that is too far from the fireground to be accomplished by relay. - D) Operating the pump while the apparatus is in motion (fire cannon, bumper-mounted nozzles, etc.). -

All Chapters - Knightlite Software 34 - 155) Which NFPA Standard requires that the driver/operator be able to perform functional tests on foam - systems? - A) NFPA 1901 - B) NFPA 1910 - C) NFPA 1001 - D) NFPA 1002 -

156) How should a new piece of apparatus be washed? - A) With a pressure washer set to no more than 1500 psi. - B) Using a NFPA approved steam-cleaner. - C) Using a garden hose without a nozzle. - D) Using a garden hose with a combination garden-style nozzle. -

157) Some fire apparatus are equipped with electromagnetic braking systems that augment and work in - conjunction with the apparatus conventional service brakes. These systems can be programmed to - activate in all of the following situations except when the driver/operator - - A) Is driving the vehicle less than 2 miles/hour. - B) Removes his foot from the accelerator. - C) Steps on the brake pedal. - D) Uses a manual selector lever mounted on the steering column. -

158) What happens when the piston of a fire pump begins the return stroke? - A) The area in the cylinder behind the piston decreases and the pressure increases. - B) The area in the cylinder behind the piston increases and the pressure decreases. - C) The intake valve closes. - D) The pressure decreases creating a full vacuum. -

159) Which of the following methods of relay pumping involves flowing a predetermined volume of water - for the maximum distance it can be pumped through a particular hose lay? - A) Constant Pressure Relay Method. - B) Constant Flow Relay Method. - C) Maximum Flow Relay Method. - D) Maximum Distance Relay Method. -

All Chapters - Knightlite Software 35 - 160) What is the maximum height to which water will be lifted when the intake gauge reads 300 mm of - mercury? - A) 4.1 meters maximum lift - B) 3.4 meters maximum lift - C) 3.8 meters maximum lift - D) 4.4 meters maximum lift -

161) After setting out the hard intake hose and strainer into a pond for drafting, the pump cannot raise - water from the source and the intake compound gauge registers no vacuum readings. Which of the - following is NOT a likely source of the problem? - A) The master drain valve, governor and auxiliary cooler drain valves are not fully closed. - B) The intake relief valve is not fully closed or properly seated. - C) The booster line cooling valve is closed. - D) The suction intake hoses and strainer connections are not tight and are leaking air. -

162) A steering wheel with the diameter of 20 inches should have no more than a 'play' of - - A) 1 inch in either direction - B) 2 inches in either direction - C) 1 inch in both directions (1/2 inch in either direction) - D) 2 inches in both directions (1 inch in either direction) -

163) Switching from volume to pressure results in - - A) Doubling of the previous discharge pressure. - B) Increasing the previous discharge pressure by 50%. - C) Decreasing the previous discharge pressure by 50%. - D) Reducing the previous discharge pressure by almost 100%. -

164) All of the following statements regarding water are true except - - A) Water may react with certain fuels such as combustible metals. - B) Water has high levels of opacity and reflectivity that disallows radiant heat from passing through it. - C) Water readily conducts electricity. - D) The greater the surface area of the water, the more heat it can absorb. -

All Chapters - Knightlite Software 36 - 165) The two basic systems of proportioning foam concentrates are the __ Proportioning System and the - High-Energy Proportioning System. - A) Induction - B) Eduction - C) Pressurized - D) Low-Energy -

166) If the mercury manometer is threaded to the discharge side of the pump, what will be the resulting - reading? - A) The gauge will be ruined. - B) An accurate measurement of the gross pump vacuum. - C) An accurate reading of the difference between intake pressure and discharge pressure. - D) An accurate measurement of the net pump vacuum. -

167) Why is a rigid intake hosed used when drafting from a static water supply? - A) To protect the intake line from debris and objects in the waterbody or watercourse. - B) To further reduce friction loss in the intake hose. - C) To enable attachment of appliances such as strainers necessary for drafting from an open water supply. - D) To prevent the hose from collapsing from the effects of the pump vacuum. -

168) The primary components of a fire pump piping system includes all but which a the following? - A) Intake and discharge piping. - B) Pump drains. - C) Pump transfer case control. - D) Valves -

169) The amount of heat required to raise 1 lb of water 1 degree F is known as a - - A) Calorie - B) Joule - C) BTU - D) Kilocalorie -

All Chapters - Knightlite Software 37 - 170) Some fire departments choose to purchase and utilize hose that was designed to be used at higher - pressures than those specified by the NFPA minimums. If your fire department chooses to do this, - driver/operators should remember that this hose should be pumped at pressures that do not exceed __ of - the annual service test pressure. - A) 80% - B) 85% - C) 90% - D) 95% -

171) When executing the alley dock exercise what is the depth of the space the driver/operator must back - into without hitting the wall? - A) 12 feet. - B) 20 feet. - C) 40 feet. - D) 60 feet. -

172) In establishing a water shuttle pre-incident plan what factors should be considered? - A) The best fill site and dump site. - B) Desired route of travel for all shuttle apparatus. - C) Alternative fill sites. - D) All the above. -

173) According to a study conducted by the New York State Department of Health EMS Program, most - collisions involving emergency vehicles occurred on which of the following road surfaces? - A) Dry road. - B) Wet Road. - C) Snow/Ice. - D) Muddy road. -

All Chapters - Knightlite Software 38 - 174) For a apparatus pump with a rated capacity of 1500 gpm (5678 L/min) how many 6 inch ( 150 mm) - hoses are needed to perform a service pump test? - A) 1 - B) 2 - C) 3 - D) Maximum hose size for a 1500 gpm (5678 L/min) pump is a 5 inch (125 mm). -

175) What is the result of a fast rate in the bubble breakdown of a Class A foam? - A) Rapid wetting of the foamed area. - B) The foam blanket experiences a longer drain time. - C) The foam becomes rigid and exhibits increased clinging characteristics. - D) The smothering and insulating characteristics of the foam blanket are enhanced. -

176) You have cleared the hard intake hose strainer, insured that adequate water depth is above and below - the strainer, and still the vacuum pressure gauge is climbing. What could be the potential cause? - A) Blockage in the intake valve strainer. - B) Whirlpool conditions at the inlet to the hard intake hose. - C) Hard intake hose is draped over a high point, such as a fence or wall. - D) Engine coolant temperature is overheating. -

177) What actions can be taken in order to draft from a stream that has a depth of less than 2 feet ( 610 - mm)? - A) Excavate the streambed to achieve a 2-foot depth. - B) Deploy a low-level strainer. - C) Excavate the streambed to achieve a 4-5 foot depth. - D) Deploy a temporary dam to raise the water level in the streambed to 2-feet. -

178) Electronic governors have cavitation protection that returns the engine to idle anytime the intake - pressure drops below - - A) 20 psi. - B) 30 psi. - C) 40 psi. - D) 50 psi. -

All Chapters - Knightlite Software 39 - 179) The warm zone is commonly called any of the following except - - A) Staging zone - B) Yellow zone - C) Limited-access zone - D) Contamination reduction zone -

180) You are preparing to set up a foam application on a gasoline fire using an in-line foam eductor, a 1% - foam solution and an automatic fog nozzle with a flow rate of 200 gpm (800 L/min) . The target site is 2 - feet below the fire apparatus and approximately 300 feet - (91 m) from the apparatus. What is the maximum distance that you can lay a fire line between the eductor - and the fog nozzle? - A) 70 feet ( 21 m) - B) 128 feet (39 m) - C) 350 feet ( 107 m) - D) The distance recommended by the eductor manufacturer. -

181) The 'Condensed Q' formula was developed for fireground operations to determine friction loss from - which of the following size hoses? - (1) 1 inch booster (2) 1 1/2 inch (3) 2 1/2" (4) 3 inch (5) 4 inch (6) 5 inch - A) 1, 2. - B) 2, 4. - C) 1, 2, 3. - D) 4, 5, 6. -

182) If the foam nozzle flow rate is 250 gallons per minute (gpm) and a gasoline fire covers an area - approximately 2500 square feet, then the foam rate of application is equal to - - A) 0.10 gpm per square foot - B) 1.0 gpm per square foot - C) 10 gpm per square foot - D) 250 gpm per 100 square feet -

All Chapters - Knightlite Software 40 - 183) What is the elevation pressure (Metric) if a hoseline is to be laid out up a 50 meter hill? - A) 5 kPa. - B) 50 kPa. - C) 500 kPa. - D) 5000 kPa. -

184) Which of the following statements is FALSE? - A) The JRC proportions the foam solution mix to 66.5% and the Self-Educting Master Stream Nozzle - proportions the mixture down to 3%. - B) A JRC eliminates the need for matching the flow rates of the Self-Educting Master Stream nozzle and - the JRC. - C) The Jet Ratio Controller operates off the same fire pump that supplies water to the nozzle. - D) The JRC system operates on the same induction method (Venturi effect) as an In-line Eductor. -

185) At what point in drafting operations would one anticipate a whirlpool to form over the strainer? - A) When the pump is primed. - B) When the first discharge valve is opened. - C) When the pump nears maximum capacity. - D) When the pump has been operating at maximum capacity and additional hoses are charged. -

186) What position should the transfer valve in a two-stage pump be in for the 250 psi (1725 kPa) test? - A) "PRESSURE" - B) "PARALLEL" - C) "VOLUME" - D) Consult the pump certification information and select the transfer valve position used for the pump - certification test. -

187) Rotary gear pumps are susceptible to damage from normal wear from pumping water and to prevent - damage use __ or other soft metal in the gears. - A) Copper. - B) Lead. - C) Beryllium. - D) Bronze. -

All Chapters - Knightlite Software 41 - 188) When operating a single stage pumper from a pressure water source, the Pump Operator should - - A) Set the transfer valve to SERIES (PRESSURE). - B) Set the transfer valve to PARALLEL (VOLUME). - C) Set the transfer valve to PARALLEL (VOLUME) in the event that the apparatus will be used in a relay. - D) None of the above. -

189) High-pressure fog nozzles generally only flow - - A) 8 to 15 gpm. - B) 15 to 20 gpm. - C) 20 to 25 gpm. - D) 25 to 30 gpm. -

190) If a vacuum test is being conducted at an altitude of 2,000 feet above mean sea level, the priming - device should be run up until the test gauge shows how many inches (millimeters) of mercury ? - A) 22 inches (560 mm). - B) 24 inches (600 mm). - C) 20 inches (500 mm). - D) 0 inches. -

191) The intent of the pressure control tests is to - - A) Insure that the fire apparatus is capable of maintaining steady fire flows. - B) Insure that pressure control devices are operating properly on the apparatus. - C) Insure that the apparatus maintains discharge pressures consistent with the manufacturer's certification - tests. - D) Insure that the apparatus pump is capable of attaining overload pressures for extreme field - circumstances. -

192) A(n) __ is mounted on the fire apparatus deck and is connected directly to the pump by permanent - pipe - A) Deluge set. - B) Turret pipe. - C) Monitor. - D) Elevated master stream. -

All Chapters - Knightlite Software 42 - 193) The confined space turnaround is performed in an area that is at least __ wide and __ long. - A) 35 feet, 35 feet. - B) 35 feet, 75 feet. - C) 50 feet, 75 feet. - D) 50 feet, 100 feet. -

194) A centrifugal pump consists of which TWO of the following parts? - A) An impeller and a casing. - B) An impeller and a set of vanes. - C) An impeller and a shroud. - D) An impeller and a hub. -

195) Which of the following are considered types of flowmeters? - A) Paddlewheel. - B) Spring probe. - C) Direct flow - D) A and B only -

196) Where packing rings come in contact with the fire pump shaft, heat will develop by friction against - the packing. To overcome this problem a spacer is supplied with the packing to provide cooling and - lubrication. This spacer is called a - - A) Lantern ring. - B) Heat Dissipating Ring (HDR) - C) Cooling ring. - D) Tolkien's ring. -

197) What action by the Pump Operator can blow a fire hydrant out of the ground? - A) Partially opening/closing the hydrant so the drain hole erodes the structural base. - B) The rapid closing of a hydrant. - C) The addition of more attack lines beyond the capacity of the hydrant. - D) Cavitation of the apparatus pump. -

All Chapters - Knightlite Software 43 - 198) When there has been no pre-incident plan developed for a building, or the manufacturer's - recommended pressure is not printed on the FDC plate, what pumping pressure should be introduced - into the FDC during a fire event? - A) 150 psi (1035 kPa). - B) 160 psi (1104 kPa). - C) 200 psi (1380 kPa). - D) 250 psi (1725 kPa). -

199) As a minimum, if a pumper is rated for a pump capacity of 750 gpm or greater, the pumper must be - equipped with at least - - A) One 2 1/2 discharge. - B) Two 2 1/2 discharges. - C) Three 2 1/2 discharges. - D) Four 2 1/2 discharges. -

200) Which of the following types of master streams is often referred to as the deck gun or deck pipe? - A) Monitor. - B) Turret pipe. - C) Deluge set. - D) Elevated master stream. -

201) Friction loss may be caused by all of the following conditions, however which of the following would - be considered the primary determinant affecting the amount of friction loss within a hoseline? - A) Hose conditions. - B) The volume of water flowing per minute. - C) Coupling conditions. - D) Kinks. -

202) Requirements for ARFF (aircraft rescue and fire fighting) apparatus as described by NFPA 414 divides - ARFF apparatus into all of the following classifications except - - A) Minor fire fighting vehicles. - B) Major fire fighting vehicles. - C) Rapid intervention vehicles (RIV). - D) Combined agent vehicles. -

All Chapters - Knightlite Software 44 - 203) The pump will not produce sufficient pressure. You have done your diagnostics and determined that - the transfer valve is functioning and set to the proper position, the pump clearance rings are brand new, - the engine rpm is normal with the UL data, the engine coolant temperature is normal, intake gauge is - registering, and the pump is flooded. What else could be wrong? - A) Pump is not holding a prime. - B) The relief valve is stuck open. - C) The relief valve is either open or the relief valve pressure adjustment is set too low. - D) A discharge valve is open. -

204) As a rule, the largest capacity pumper should be used - - A) At the fire scene. - B) At the water source. - C) As the center relay pumper. - D) Does not matter. -

205) According to NFPA 1901, all components of the piping system of the fire pump - - A) Must be cleaned on a bimonthly basis. - B) Must be made from a corrosion-resistant material. - C) Must have a mean lifespan of no less than 5 years. - D) Must be inspected by a licensed mechanic every 6 months. -

206) You are priming the pump in preparation of drafting from a lake. The pump and fittings have been - made airtight. The water surface has been measured to be 6 feet ( 1.8 m) below the eye of the pump - impeller. What should the master intake gauge read when vacuum is established in the hard intake hose? - A) 6 inches (152 mm). - B) 12 inches (304 mm). - C) 18 inches (457 mm). - D) 22 inches (559 mm). -

207) The persons assigned to positions at the dump and fill sites should have radio designations of - - A) Fill site, dump site. - B) F1, D1. - C) Sector 1, Sector 2. - D) Fill Division 1, Sector Division 2. -

All Chapters - Knightlite Software 45 - 208) Flowmeters provide the Driver/operator with - - A) A readout of the pressure going through a discharge. - B) The volume of water flow, measured in gallons per minute ( liters per minute), going through the - discharge. - C) The volume of water entering the pump. - D) The nozzle pressure at each hoseline. -

209) If the total flow through a hose assembly exceeds 350 psi, how much additional friction loss must be - considered when calculating the total friction loss from the assembly? The hose assembly consists of two 2 - 1/2-inch hoselines, each 200 feet long and flowing 250 gpm, and wyed off 500 feet of 4-inch hose. - A) 10 psi. - B) 15 psi. - C) 20 psi - D) 25 psi. -

210) The maximum daily consumption of water is normally approximately __ times the average daily - consumption. - A) Jan 2, 2009 - B) 1 1/2 - C) 2 - D) 2 1/2 -

211) What is the maximum pressure rise that should be recorded in a pressure control test when all the - valves are closed? - A) 30 psi (207 kPa). - B) 45 psi ( 311 kPa). - C) 50 psi (345 kPa). - D) 60 psi (414 kPa). -

All Chapters - Knightlite Software 46 - 212) If two pieces of apparatus are approaching a traffic signal equipped with the Opticom system what - will be the result? - A) Both vehicles will receive a green light. - B) Neither vehicle will receive a green light. - C) The vehicle that triggers the system first will receive the green light and the other vehicle will receive a - red light. - D) The vehicle that triggers the system last will receive the green light and the other vehicle will receive a - red light. -

213) If a building is more than five stories tall, engine companies should be positioned - - A) On the side of the street farthest from the building and aerial apparatus parked on the inside. - B) On the side of the street closest to the building and aerial apparatus parked on the outside. - C) As far away from the building as possible. - D) Wherever the IC wants them positioned. -

214) When must the Driver/Operator use the Conductivity Comparison method to test the quality of a - foam solution? - A) When ambient air temperatures are below 45 degrees Fahrenheit (7 degrees Celsius). - B) When the conductivity meter reads out in units of mircroseisms per millimeter. - C) When the conductivity meter reads out in units of microsiemens per centimeter. - D) When an alcohol-resistant foam is being tested for quality and proportional accuracy. -

215) If an apparatus is going to be considered a true Quint, it should have at least a __ pump. - A) 250 gpm - B) 500 gpm - C) 750 gpm - D) 1000 gpm -

216) Calculate the volume capacity of a swimming pool that is 50 feet wide and 75 feet long and has an - average depth of 7 feet. - A) 185,000 gallons - B) 196,875 gallons - C) 168,750 gallons - D) 135,000 gallons -

All Chapters - Knightlite Software 47 - 217) What is the flow rate (GPM) of a 2,500 gallon tender with a trip time of 10 minutes? - A) 200 GPM - B) 250 GPM - C) 240 GPM - D) 225 GPM -

218) The concept that refers to the driver/operator scanning far enough ahead of the apparatus, for the - speed it is being driven, to assure that appropriate actions can be taken if such actions become necessary - is called - - A) Topography scanning. - B) Visual lead time. - C) Reaction time. - D) Braking time. -

219) Aerial devices with piped waterways are - - A) Treated in the same manner as other master stream devices by using a friction loss of 175 kPa, that - includes the intake, internal piping, and the nozzle. - B) Treated as regular hoselines unless they exceed 1,400 meters in length. - C) Not calculated in any special manner, as long as the Driver/Operator also includes the elevation pressure - in his calculations. - D) Always calculated as the line that derives the highest friction loss in the hose assembly. -

220) Tenders must be equipped with at least one external fill connection allowing the tank to be filled at a - maximum rate of __ gpm. - A) 450 - B) 1000 - C) 500 - D) 800 -

All Chapters - Knightlite Software 48 - 221) A pumper is supplying one line with 300 gpm . The static pressure was 75 psi and the residual pressure - is 64 psi. Using the First Digit Method, how many additional lines can be supplied? - A) One additional line of 300 gpm each. - B) Two additional lines of 300 gpm each. - C) Three additional lines of 300 gpm each. - D) Four additional lines of 300 gpm. -

222) What is the first and primary concern of the driver/operator in conducting a pump service test? - A) Accurate readings. - B) Insuring the pump can perform in an emergency situation. - C) Compliance with NFPA testing procedures. - D) Insuring the safety of all personnel involved. -

223) __ couplings speed the connection of hose to the apparatus. - A) Quick - B) Sexless (Storz) - C) Higbee - D) LDH -

224) When using a master stream as part of the total hose configuration and using hoseline of unequal - lengths or diameters, friction loss is calculated by using the - - A) Lowest pressure loss in any of the lines. - B) Highest pressure loss in any of the lines. - C) Average pressure loss of all the lines. - D) Sum of the pressure loss in all of the lines. -

225) What is the application time for a crude oil fire in a fixed roof storage facility if the application rate of - a FFFP foam is 0.16 gpm/ s.f. (6.5 L/minute per square meter)? - A) 20 minutes - B) 50 minutes - C) 65 minutes - D) 128 minutes -

All Chapters - Knightlite Software 49 - 226) The primary way water extinguishes fire is by - - A) Smothering the fire. - B) Cooling the fire. - C) Interfering with the chemical decomposition of the fuel. - D) None of the above. -

227) Firefighter Ray says that chemically, durable agents are water-absorbent polymers. - Firefighter Sam says that chemically, durable agents are hydrocarbon-based surfactants. - Who is correct? - A) Firefighter Ray. - B) Firefighter Sam. - C) Both are correct. - D) Neither are correct. -

228) Installed in-line eductors are NOT designed for use with which of the following foams? - A) AFFF. - B) Fluoroprotein foams. - C) Alcohol-resistant AFFF. - D) Class A foams. -

229) If the pump is in cavitation, and after manually clearing the strainer, the intake gauge does not return - to below 22 inches (559 mm,) of vacuum, what should the pump operator suspect is the problem? - A) The inner lining of the suction hose is separating and obstructing flow. - B) There is restriction caused by the "bubble" of inner liner. - C) The lift is excessive for the pump capacity. - D) A and B. -

230) An indicating water system valve - - A) Shows whether or not a gate or valve seat is open, closed or partially opened. - B) Is threaded so it opens clockwise. - C) Is normally buried. - D) Is usually found in manholes. -

All Chapters - Knightlite Software 50 - 231) What is the most commonly used fire extinguishing agent in the fire service? - A) Dry chemicals, and dry powders. - B) Foam Concentrates. - C) Halogenated hydrocarbons. - D) Water. -

232) Using the finger method, calculate the friction loss in 400 feet of 2 1/2 inch hose flowing from the - nozzle at a rate of 250 gpm at 100 psi? - A) 12.5 psi. - B) 25 psi. - C) 35 psi. - D) 50 psi. -

233) The operation of a centrifugal pump is based on which of the following principles? - A) A slowly revolving disk tends to throw water evenly around the casing. - B) The slower the disk turns, the farther the water is thrown. - C) A rapidly revolving disk tends to throw water at the center toward the outer edge of the disk. - D) The faster the disk is turned, the less velocity of water is generated in the pump. -

234) Use of an external pump to force foam concentrate into the water stream of a fire hose is called - - A) Induction. - B) Conduction. - C) Injection. - D) Proportioning. -

235) When the total flow in a hoseline is greater than 1,400 kPa how much additional friction loss is - calculated for each appliance other than master streams? - A) 10 kPa - B) 35 kPa - C) 70 kPa - D) 90 kPa -

All Chapters - Knightlite Software 51 - 236) The total stopping distance is equal to - - A) Reaction time times vehicle braking distance. - B) Reaction distance plus vehicle braking distance. - C) Reaction distance plus Braking time. - D) Braking time times Vehicle braking distance. -

237) A double-acting piston pump provides a more constant stream of water because - - A) Two additional valves are provided. - B) The pump both receives and discharges water on each stroke of the piston. - C) Output is a series of pressure surges with two periods of no flow. - D) All of the above. -

238) A fire hydrant with a rated water flow of 1,000-1,499 gpm ( 1900 L/min-3780 L/min) should be painted - what color? - A) Red - B) Green - C) Yellow - D) Orange -

239) What is the proper sequence of actions to shut down a drafting operation? - A) Take pump out of gear; idle engine for 3 to 5 minutes; drain pump, remove connections. - B) Decrease engine speed to idle, allow pump to discharge and drain, take pump out of gear, remove - connections, flush all pump and fittings. - C) Decrease engine speed to idle; drain pump, idle engine for 3 -5 minutes; operate mechanical primer - until priming fluid discharges from priming pump; flush pump with clean water, take pump out of gear, - drain pump, remove connections. - D) Decrease engine speed to idle; take pump out of gear; drain pump, remove connections; idle engine - for 3 -5 minutes; operate mechanical primer until priming fluid discharges from priming pump. Flush when - clean water is available. -

All Chapters - Knightlite Software 52 - 240) The exercise that simulates maneuvering around parked and stopped vehicles as well as tight corners - is called - - A) Diminishing-clearance exercise. - B) Alley dock exercise. - C) Serpentine course. - D) Confined space turnaround. -

241) How should a driver/operator proceed through a red light or stop sign? - A) At full speed as long as the response includes fully open sirens and air horns. - B) At a greatly reduced speed and not without making eye contact to all drivers at the intersection. - C) After coming to a complete stop and not without assuring that all lanes of traffic are yielding to the - apparatus. - D) Fire apparatus should never go through red lights under any circumstances unless being waved - through by a uniformed law enforcement officer. -

242) The main purpose of 'Intake pressure relief valves', also known as 'Relay relief valves' is to - - A) Reduce the possibility of damage to the pump and discharge lines caused by a water hammer if valves - are closed too quickly or the intake pressure rises dramatically. - B) Regulate the pressure in the hoseline between pumpers involved in a relay pumping operation, by - restricting pressure at the relay source pumper. - C) Govern the amount of pressure received by a source pumper from the water source. - D) Govern the volume of water received by the relay pumper from the source pumper. -

243) Level II staging is used - - A) On every emergency response when two companies that are performing like functions are dispatched. - B) When numerous emergency vehicles will be responding to an incident. - C) When only one piece of apparatus is dispatched to an incident. - D) When a chief officer is assigned to investigate an incident before dispatching apparatus. -

244) A foam mixture containing a low water content and a high air content is sometimes referred to as - - A) Air entrained foam. - B) Medium foam. - C) Dry foam. - D) "Shaving cream" foam. -

All Chapters - Knightlite Software 53 - 245) During the first six months after a new piece of apparatus has been received, the vehicle should be - washed frequently with __ to help harden the paint and keep it from spotting. - A) Cold water - B) Hot water - C) Warm water - D) A power washer -

246) Pre-trip inspections should be performed by career personnel - - A) At least once a week. - B) At least twice a week. - C) Bi-weekly. - D) At the beginning of the operator's tour of duty. -

247) Who establishes a triage and treatment area at an emergency scene? - A) The highest EMS trained firefighter at the scene. - B) The first arriving paramedics. - C) The Staging Area Manager. - D) The Incident Commander. -

248) In front mounted pumps a gearbox is used to step up the gear ratio so that the impeller of the pump - turns faster than the engine. The ratio is normally set to match the torque curve of the engine to the - rotation speed required for the impeller to deliver the proper rated capacity. This ratio is usually - - A) 1 1/2 : 1 - B) Between 1 1/2 and 2 1/2 : 1 - C) Between 2 1/2 and 3 1/2 : 1 - D) Between 3 1/2 and 4 1/2 : 1 -

249) Many fire departments that routinely deploy "Forward Lays", use what kind of fittings to aid in the - firefighting process? - A) 5-inch (125 mm) intake hose fittings. - B) Siamese fittings. - C) Towed auxiliary pumps. - D) Four-way hydrant valves. -

All Chapters - Knightlite Software 54 - 250) According to NFPA 1901, apparatus must carry at least __ in order to be considered a mobile water - supply apparatus. - A) 500 gallons. - B) 750 gallons. - C) 1000 gallons. - D) 1500 gallons. -

251) What is the elevation pressure (US) if a hoseline is to be laid out up a 50 foot hill? - A) 25 psi - B) 28 psi - C) 30 psi - D) 36 psi. -

252) In the first standard pumping test, what should be the psi (kPA) gauge reading? - A) 150 psi (1035 kPa). - B) 150 psi (1035 kPa) adjusted for intake friction loss. - C) 150 psi (1035 kPa) adjusted for altitude and intake friction loss. - D) 160 psi (1120 kPa) . -

253) In a pressure control test, what are the consequences taking more than 10 seconds to close a flowing - valve? - A) Damage can occur to the pump and pressure control device. - B) Damage occurs to the apparatus internal piping. - C) The pressure control device's capacity to release pump pressure in an emergency is not adequately - tested. - D) There are no consequences realized from a prolonged valve closure. -

254) It is necessary to calculate additional hoseline friction loss from appliances if the total flow from the - hose exceeds - - A) 250 psi. - B) 300 psi. - C) 350 psi. - D) 500 psi. -

All Chapters - Knightlite Software 55 - 255) If a fire scene is located down a narrow lane, driveway, or dead-end street, which of the following is - the most advantageous location for a dump site? - A) At the far end of the street or driveway. - B) Halfway down the street or driveway. - C) Halfway down an adjoining street. - D) At the intersection where the street or driveway meets a thoroughfare. -

256) Which of the following fire fuel types are considered to be miscible in water? - A) Lacquer thinner. - B) Diesel fuel. - C) Kerosene. - D) Naphtha. -

257) __ is defined as force per unit area. - A) Acceleration. - B) Gravity. - C) Momentum. - D) Pressure. -

258) Which of the following systems is the most affordable apparatus mounted foam proportioning - systems especially for small municipalities? - A) Around-the-Pump Proportioners. - B) Bypass-Type Balanced Proportioners. - C) Installed in-line eductors. - D) Batch mixing. -

259) The basic goal of the multiple tank operation is - - A) Keep the final tank in the chain full at all times. - B) Maintain maximum flow. - C) Minimize apparatus wear and tear. - D) All of the above. -

All Chapters - Knightlite Software 56 - 260) Sizes of tenders (tanks) are normally based on all but which of the following criteria? - A) Water supply availability. - B) Road conditions. - C) Bridge weight restrictions. - D) Jurisdiction capital budgets. -

261) When two hoselines of equal length are siamesed to supply a working fire stream, the friction loss is - approximately __ of that of a single hoseline at the same nozzle pressure. - A) 10% - B) 20% - C) 25% - D) 30% -

262) The maximum amount of water used in any one-hour interval over the course of a day is called - - A) The average daily consumption. (ADC) - B) The maximum daily consumption. (MDC) - C) The peak hourly consumption. (PHC) - D) The maximum yearly consumption. (MYC) -

263) What actions can the Pump Operator take to remedy a pump that is in cavitation? - A) Increase discharge pressure. - B) Increase throttle speed. - C) Decrease intake pressure. - D) Decrease pump speed. -

264) The action of a foam that prevents the release of flammable vapors from a substance is called - - A) Separation. - B) Suppressing. - C) Cooling. - D) Proportioning. -

All Chapters - Knightlite Software 57 - 265) When operating fire apparatus with standard transmissions on sharpe curves or when turning corners, - the driver/operator should shift into a lower gear __ entering the curve or intersection. - A) Before. - B) While. - C) After. - D) All the above. -

266) The reach of any fog stream is directly dependent on which of the following? - A) The width of the stream. - B) The size of the water droplets and the wind. - C) The volume of water flowing. - D) All the above. -

267) Where does the "Circle" or pre-trip Walk-Around end? - A) At the driver's door on the cab. - B) In front of the vehicle. - C) In back of the vehicle. - D) Inside the cab by starting the apparatus and performing a functional check on apparatus systems. -

268) The rotary gear pump consists of how many gears that rotate in a tightly meshed pattern inside a - watertight case? - A) One. - B) Three. - C) Four. - D) Two. -

269) What is " Y" in the following formula: Pressure Correction = lift (ft. or m) + X - _________________________________ - Y - A) The constant 2.3 (0.1 in metric). - B) The constant 3.2 (0.14 in metric). - C) Length of intake hose. - D) Pump rated capacity. -

All Chapters - Knightlite Software 58 - 270) According to NFPA 1901, Standard for Automotive Fire Apparatus, the minimum pump capacity for - fire apparatus is - - A) 250 gpm - B) 500 gpm - C) 750 gpm - D) 1000 gpm -

271) How does the Driver/Operator purge air from the pump? - A) Engage the pump primer. - B) Open a discharge valve. - C) Open the tank fill line. - D) All of the above. -

272) Which types of pumps are constructed with a single impeller and referred to as single-stage - centrifugal pumps? - A) Front-mount pumps. - B) Power take-off. - C) Separate engine driven. - D) All of the above. -

273) When a standpipe system is equipped with pressure reducing valves (such as in a high-rise building), - the Driver/Operator should calculate the required pressure compensation based on - - A) 10 psi (70 kPa) per floor. - B) 15 psi (104 kPa) per floor. - C) The total height of the standpipe. - D) The total height of the building. -

274) During the course of a service pump test, what is the appropriate and immediate response if the fire - hose pulls away from the couplings by as much as 1/4 inch (6.4 mm)? - A) Disassemble and remount couplings and hoses. - B) Tighten couplings. - C) Discard and replace hose. - D) Take no remedial action. -

All Chapters - Knightlite Software 59 - 275) When determining friction loss coefficients using in-line gauges, how far from the first gauge should - the second gauge be placed regardless of what length hose you are testing? - A) 50 feet. - B) 100 feet. - C) 150 feet. - D) 200 feet. -

276) When is it permissible to ride on the tailboard of the apparatus? - A) When the apparatus is backing up. - B) When the apparatus is traveling no more than 10 miles per hour. - C) During parades and other public relation events. - D) Never. -

277) Driver/Operator Chris says that the common push-pull valves used in opening and closing pump - discharges are also called T-Handles. - Driver/Operator Jason says that quarter-turn valves are opened and closed by a 120-degree movement of - the valve handle. Who is correct? - A) Driver/Operator Chris. - B) Driver/Operator Jason. - C) Both are correct. - D) Neither are correct. -

278) A grid arrangement of smaller water mains that serve individual fire hydrants and blocks of consumers - are called? - A) Primary feeders. - B) Secondary feeders - C) Tertiary feeders - D) Distributors -

All Chapters - Knightlite Software 60 - 279) The maximum net discharge pressure which the transfer valve should be operated, should, as a rule, - not exceed - A) 50 psi. - B) 65 psi. - C) 75 psi. - D) 85 psi. -

280) The __ is the minimum amount of finished foam that must applied to a fire per minute per square - meter (or square foot) in order to extinguish the fire. - A) Drain time rate - B) Application rate - C) Miscible rate - D) Suppression rate -

281) Flowmeters should provide readouts in increments of at least - - A) 5 gpm. - B) 10 gpm. - C) 15 gpm. - D) 20 gpm. -

282) NFPA 1901 does not require which of the following tests for an apparatus outfitted with a 550 gpm ( - 2,000 L/min) fire pump? - A) Pumping test. - B) Pumping engine overload test. - C) Priming device test. - D) Water tank-to-pump test. -

283) Which of the following priming devices is considered the most commonly used in modern fire - apparatus? - A) Positive Displacement Primers. - B) Vacuum Primers. - C) Exhaust Primers. - D) They are all used equally throughout the fire service. -

All Chapters - Knightlite Software 61 - 284) Engine-driven appliances that take in atmospheric air, purify it, and compress it. are known as - - A) Air systems. - B) Breathing air compressors. - C) SCBA banks. - D) Cascade systems. -

285) Some apparatus are equipped with a central flowmeter monitoring device that allows the - driver/operator to monitor all the following except - - A) The total amount of water flowing through the pump at any one time. - B) The amount of flow through any particular discharge at any time. - C) The total volume of water that has flowed through the pump during the duration of the call. - D) The amount of water left in the tank that has yet to be pumped. -

286) What size diameter hose normally supplies ladder pipes? - A) 1 1/2 inch. - B) 2 1/2 inch. - C) 3 inch. - D) 4 inch. -

287) What is the name of the device employed to introduce foam concentrate into the water stream in the - Inductor method of foam proportioning? - A) In-line foam injector. - B) In-line foam eductor. - C) External foam inductor. - D) Hydrostatic pressure nozzle. -

288) Hand-operated and rotary pumps forcing all water and air out of the pump body with each operating - cycle are known as - - A) Negative displacement pumps. - B) Displacement pumps. - C) Equilibrium pumps. - D) Positive displacement pumps. -

All Chapters - Knightlite Software 62 - 289) Which of the following would not be considered one of the three basic types of monitors? - A) Fixed. - B) Combination. - C) Portable. - D) Automatic. -

290) In a multi-stage pump, when should the tank-to pump-transfer valve be set to the PARALLEL - (VOLUME) position? - A) When the pump may be required to furnish more than 50% of its rated capacity. - B) When the pump may be required to furnish 80% or more of its rated capacity. - C) When the pump is used in relay. - D) When the discharge pressure exceeds 150 psi (1035 kPa). -

291) The apparatus starter control should be operated at intervals of no more than __, with a rest time of - __ between each try if the vehicle does not start sooner. - A) 10 seconds, 20 seconds. - B) 20 seconds, 40 seconds. - C) 30 seconds, 60 seconds. - D) 40 seconds, 80 seconds. -

292) It generally is only necessary to lay one LDH from the fill site pumper to the fill location - - A) If the tenders being filled do not have LDH direct tank intakes. - B) If the tenders being filled have LDH direct tank intakes. - C) If the tenders being filled have MHD hose lines. - D) One should always use multiple LDH lines. -

293) All the following statements are true in regard to creating pump charts except for which of the - following? - A) If the master stream nozzle is being supplied by a different number or size of hoselines, this should be - indicated on the chart. - B) Make sure you list pump discharge pressures that exceed the test pressure used for a given size hose. - C) Round all pump discharge pressures to the nearest 5 psi. - D) Make sure your pump chart includes friction loss in master stream appliances flowing in excess of 350 - gpm (1400 L/min). -

All Chapters - Knightlite Software 63 - 294) The reducing fitting that enables two hoses to operate off the same attack line is called: - A) A multi-stage valve. - B) A four-way hydrant valve. - C) A "T" connection. - D) A "wye" connection. -

295) You are using two 3 inch lines to supply water at 750 gpm to a fire scene located 2000 feet away from - the water source. How many pumpers will be necessary to accomplish this? The maximum distance relay - length is 1600 feet. - A) 2 - B) 3 - C) 4 - D) 5 -

296) The first step in setting up a dual pumping operation is - - A) Pumper 2 is positioned intake-to-intake with Pumper 1. - B) Pumper 1 connects to a hydrant steamer connection using it's large intake hose. - C) Pumper 2 connects to Pumper 1 using a Siamese connection. - D) Pumper 2 connects by intake hose to the unused intake of Pumper 1. -

297) Vehicle-mounted generators on pumpers are manufactured with a variety of power capabilities up to - ________ of power. - A) 5000 watts - B) 10,000 watts - C) 12,000 watts - D) 20,000 watts -

298) Which of the following fire pump arrangements does not allow for pump and roll operations? - A) Auxiliary engine-driven pumps. - B) Power take-off drives. - C) Front mounted drives. - D) Midship Transfer drives. -

All Chapters - Knightlite Software 64 - 299) You are preparing to supply two attack handlines from the apparatus tank. Pressure builds in tandem - with engine rpm, however, the discharge pressure gauge registers a sudden loss when the nozzles are - opened. How do you correct this situation? - A) Immediately back flush the pump and check operation of the pressure relief valve. - B) Open the tank-to-pump valve and momentarily increase water velocity to clear residual air from the - pump. - C) Open and close the master drain valve to purge any air bubbles in the tank. - D) Shut down one of the two handlines. -

300) NFPA 1901 states that pumper piping should be sized so that fire pumpers with the capacity of 500 - gpm or MORE should be capable of flowing - - A) 150 gpm. - B) 250 gpm. - C) 500 gpm. - D) 1000 gpm. -

301) How does the driver/operator determine the correct size of the nozzle for the pump test? - A) Select a nozzle one half or 50% of the discharge hose size. - B) Select a hose for the rated capacity of the pump. - C) Consult reference tables listing nozzle diameters for corresponding nozzle pressure and flow output - (gpm or kPa). - D) Multiply the pump rated capacity times the number of hoses and divide by the constant 2.3. -

302) Which of the following pumping situations will the Driver/Operator most commonly encounter on - the fireground? - A) Pumping from on-board tanks. - B) Pumping from a hydrant (pressure source). - C) Pumping from a static water supply. - D) Pumping from a draught. -

All Chapters - Knightlite Software 65 - 303) Driver/operator Joe says that in order to produce effective fire streams it is necessary to know the - amount of friction loss in the fire hose. - Driver/operator Paul says that in order to produce effective fire streams it is necessary to know any pressure - loss or gain due to elevation. - Who is correct? - A) Driver/operator Joe. - B) Driver/operator Paul. - C) Both are correct. - D) Neither are correct. -

304) Chimney nozzles have a normal operating pressure of - - A) 100 psi. - B) 200 psi. - C) 300 psi. - D) 500 psi. -

305) The condition whereby water is being discharged from a pump at a rate greater than it is introduced - is called: - A) Loss of prime. - B) Critical friction loss. - C) Vacuum pressure failure. - D) Cavitation. -

306) One can reduce friction loss by - - A) Decreasing hose length. - B) Increasing host diameter. - C) Eliminating sharp bends in the hose. - D) All the above. -

307) Pressure changes in hoselines are possible as a result of all of the following except - - A) Hose friction loss. - B) Appliance friction loss. - C) Pressure loss and gains due to elevation. - D) The relative age of the apparatus. -

All Chapters - Knightlite Software 66 - 308) If the first-due apparatus arrives where no fire conditions are evident (investigation mode), it is - normally advisable to park - - A) Near the main entrance to the occupancy. - B) At least 50 feet from the building. - C) At least 100 feet from the building. - D) Over 100 feet from the building. -

309) Which of the following statements is not true? - A) When drafting from a static water source the source pumper should open an uncapped discharge until - the first relay pumper is ready for water. - B) Discharge pressure is developed to the desire pressure by increasing the throttle. - C) The discharge to the supply line must be opened quickly to prevent the possibility of losing the prime. - D) When water comes out of its dump line the pump on the relay pumper can be engaged. -

310) The area around a hazardous materials incident used to support workers in the immediate hazardous - area, and to decontaminate workers and equipment is called the - - A) Hot zone. - B) Warm zone. - C) Cool zone. - D) Cold zone. -

311) Which of the following formulas is used to determine the total number of pumpers needed to - perform a relay pumping operation? - RD = Relay Distance MD = Maximum Distance Relay Lengths T= Total Pumpers Needed - A) RD * MD + 1 = T - B) RD * MD ^2 -1 = T - C) RD/MD + 1 = T - D) RD/MN - 1 = T -

All Chapters - Knightlite Software 67 - 312) Which is the easiest method of ensuring a constant supply of water to the attack pumper? - A) Portable water tender operations. - B) Nurse tender operations. - C) Direct pumping operations. - D) Indirect pumping operations. -

313) What chapter in NFPA establishes "Standards for Service Tests of Fire Pump Systems on Fire - Apparatus" ? - A) NFPA 1910 - B) NFPA 1911 - C) NFPA 1912 - D) NFPA 1910-A -

314) You are attempting to put the pump into service. The green light is on, but the speedometer is not - registering. What is the most likely problem? - A) The pump is not flooded. - B) The apparatus clutch is not engaged, or (in an automatic transmission) the shift lever is not in the - correct position. - C) The relief valve is on. - D) A and B -

315) Some piston pumps are still in service for high pressure stream fire fighting. What is the most - common application for high pressure pumps? - A) Fighting chemical or oil storage fires. - B) Fighting fires in high-rise apartments or office buildings. - C) Fire fighting commercial storage facilities. - D) Wildland fire fighting. -

316) Which United States government agency establishes the basic requirements for licensing drivers of - apparatus? - A) DOT - B) FAA - C) FDA - D) TC -

All Chapters - Knightlite Software 68 - 317) Monitors are often incorrectly referred to as deluge sets. Monitors differ from deluge sets in which of - the following ways? - A) The monitor delivers more water. - B) The monitor has a greater range - C) With monitors, stream direction and angle can be changed while water is being discharged. - D) The monitor can operate at higher pressures. -

318) When working properly flowmeters should be accurate to a tolerance of plus or minus - - A) 1% - B) 2% - C) 3% - D) 4% -

319) A good way to minimize kinks when connecting soft sleeve hose from the apparatus intake to the - hydrant discharge is to - - A) Make certain that the soft sleeve supply line is rolled out flat. - B) Use sufficient hose length to make a crescent pattern in the hose from the hydrant to the apparatus. - C) Put two full twists in the hose when making the connection between the apparatus and the hydrant. - D) Position the apparatus one foot closer to the hydrant than the length of the supply line hose. -

320) The losses and gains in pressure due to the position of the nozzle are a result of which of the - following? - A) Acceleration. - B) Gravity. - C) Residual pressure. - D) Static pressure. -

321) Approximately how many firefighter deaths per year are associated with vehicle collisions while - responding to or returning from emergency calls? - A) 10 - B) 25 - C) 45 - D) 55 -

All Chapters - Knightlite Software 69 - 322) NFPA 1901 requires one large tank discharge (dump valve) be installed on a tender. It is highly - recommended that each tender be equipped with at least __ dump valves. - A) Three - B) Two - C) Four - D) Five -

323) You are traveling to a structure fire, and a school bus appears in front of you displaying it's red - flashing lights. You should - - A) Sound your sirens and air horns, and pass at regular speed. - B) Slow down and pass the bus with caution. - C) Stop and wait for the bus driver to signal you to pass. - D) Slow down to 10 mph and pass with caution. -

324) When determining friction loss coefficients using in-line gauges, how far from the pumper should the - first gauge be placed if you are testing hose in 15 meter lengths? - A) 15 meters. - B) 30 meters. - C) 90 meters. - D) Right at the pump. -

325) Which of the following NFPA Standards sets minimum qualifications for driver/operators? - A) NFPA 1001 - B) NFPA 1002 - C) NFPA 1900 - D) NFPA 1999 -

All Chapters - Knightlite Software 70 - 326) All pumpers involved in a relay pumping operation should open an unused discharge gate if their - pumper does not have a relay relief valve, in order to allow air to escape from the hoselines as they are - being filled with water, except for which of the following - - A) The pumper at the water source. - B) The pumper at the fire scene. - C) All relay pumpers. - D) All the above. -

327) How is a direct reading conductivity meter calibrated for reading the quality of a foam solution - proportion? - A) By conducting a baseline curve similar to the procedure in a refractivity test. - B) By first immersing the meter in a sample of the water to be used with the foam solution. - C) By recalibrating the meter according to the manufacturer's instructions. - D) A and B -

328) The general condition of the fire stream as it leaves the nozzle is influence by all the following except - - - A) The length and diameter of the hoseline. - B) The operating pressure. - C) The nozzle design. - D) The general condition of the nozzle and the nozzle adjustment. -

329) Which of the following represents the Condensed Q formula for 4 inch hose? - A) FL per 100 ft = Q^2 - B) FL per 100 ft = Q^2/5 - C) FL per 100 ft = Q^2/15 - D) FL per 100 ft =Q^2/100 -

330) If a fire department pumper is equipped to supply high-pressure fog streams, the master pump - discharge gauge should be calibrated up to - - A) 600 psi. - B) 800 psi. - C) 900 psi. - D) 1000 psi. -

All Chapters - Knightlite Software 71 - 331) What does the initials "CAFS" stand for? - A) Compressed Air Firefighting System. - B) Certified Aerated Foam System. - C) Compressed Air Foam System. - D) Compressed-Air Class-A foam System. -

332) Historically, the charging of vehicle batteries is a function that is commonly performed by - - A) The municipal maintenance department of the town/city. - B) The driver/operator of the vehicle. - C) A certified mechanic. - D) Any department personnel familiar with the procedure. -

333) Large breathing air cylinders that are connected together in banks are known as - - A) Air systems. - B) Breathing air compressors. - C) SCBA banks. - D) Cascade systems. -

334) Identify from the following the operational problems presented by static water supply sources that - contain excess silt and debris - A) Clogging the strainer resulting in reduced water intake. - B) Seizing-up or damage to fire pumps. - C) Clogging fog stream nozzles. - D) All of the above. -

335) The main purpose of the fire department pumper is to - - A) Transport personnel to the scene. - B) Transport equipment to the scene. - C) To provide water at an adequate pressure for fire streams. - D) To provide the link between the water source and fire streams. -

All Chapters - Knightlite Software 72 - 336) Straight stream nozzles of the correct size are required for use in a pump service test. On which - occasion can a fog nozzle be used in lieu of a straight stream nozzle? - A) When the 150 psi ( 1050 kPa) test is performed. - B) When any test except the overload test is performed. - C) When a flowmeter is used instead of a pitot tube. - D) When a solid test stand is used to secure the nozzles during the test. -

337) Overthrottling a diesel engine results in all of the following except - - A) An excessive amount of carbon particles issuing from the exhaust. - B) Oil dilution. - C) An increase of black smoke from the exhaust. - D) Reduction of fuel consumption. -

338) What size pumper should generally be committed to supplying a FDC for every 50 sprinklers - estimated to be flowing ? - A) 500 gpm (2000 L/min) rated pumper. - B) 750 gpm (3 000 L/min) rated pumper. - C) 1000 gpm (4 000 L/min) rated pumper. - D) 1500 gpm (6 000 L/min) rated pumper. -

339) What was designed to minimize the lateral thrust of large quantities of water entering the eye of the - impeller? - A) Single suction impeller. - B) Equitable pressure impeller. - C) Double suction impeller. - D) Reverse suction impeller. -

340) The maximum total amount of water that was used during a 24 hour interval within a three year - period is called - - A) The average daily consumption. (ADC) - B) The maximum daily consumption. (MDC) - C) The peak hourly consumption. (PHC) - D) The maximum yearly consumption. (MYC) -

All Chapters - Knightlite Software 73 - 341) What design element differentiates "foam tenders" from fire apparatus containing integral foam tanks - ? - A) "Foam tenders" carry no on-board water tank. - B) "Foam tenders" are heavier and longer vehicles than standard fire apparatus with integral foam tanks - (Gross vehicle weight in excess of 50,000 lbs.). - C) "Foam tenders" are in excess of nine feet in width and are stored on-site at airports, industrial facilities, - and military bases. - D) "Foam tenders" are trailers that are towed behind another vehicle. -

342) In the U.S. System of measurement, at sea level a pump can lift water - - A) 25.8 ft. - B) 50 ft. - C) 33.8 ft. - D) 45.6 ft -

343) When determining friction loss coefficients using in-line gauges, how far from the second gauge - should the nozzle be placed if you are testing hose in 30 meter lengths? - A) 15 meters. - B) 30 meters. - C) 60 meters. - D) 90 meters -

344) What is the shelf life of Class A foam concentrates ? - A) 6-8 months. - B) Up to 3 years. - C) Up to 10 years. - D) Up to 20 years. -

345) Most communities will use which of the following methods for moving water from a primary water - source to a distribution system? - A) Vacuum pumping system - B) Gravity system - C) Direct pumping system - D) Combination system -

All Chapters - Knightlite Software 74 - 346) NIMS (National Incident Management System) categorizes pumping apparatus (including water - tenders) by capability. This method is called - - A) Apparatus class. - B) Apparatus breed. - C) Apparatus typing. - D) Apparatus family. -

347) The master intake and discharge gauges are two primary gauges used to determine - - A) The amount of water in the water tank. - B) The volume of water entering and leaving the pump. - C) The water pressure entering and leaving the pump. - D) The capacity of all intakes and discharges available to the driver/operator. -

348) Which of the following statements regarding the Tank-to-Pump test is FALSE? - A) In a Tank-to-Pump Flow test, the apparatus tank is refilled during the procedure. - B) The discharge valve is closed while the engine throttle is reduced by 50% in order to refill the apparatus - tank. - C) Once discharge valve is reopened and the resulting flow is measured with a flowmeter or a pitot. - D) It is critical that the maximum consistent pressure that can be achieved on the discharge gauge before - the discharge valve is shut down. -

349) What happens to the resulting foam if the Driver/Operator were to use a lower pressure than the rated - inlet pressure specified for the eductor? - A) The resulting foam is overly rich. - B) The resulting foam is lean or watery. - C) Reducing inlet pressures on an in-line eductor has no impact upon the quality of the foam as long as - the back pressure does not exceed 65% of the inlet pressure. - D) No foam is produced. -

All Chapters - Knightlite Software 75 - 350) Which of the following is NOT a condition where the pump is considered primed? - A) Further strokes cause water to be forced into the discharge instead of air. - B) Forward strokes cause water to be discharged. - C) Return strokes cause the pump to fill with water again. - D) Further strokes cause water to be forced into the air instead of the discharge. -

351) A standard fog nozzle produces the best firefighting foam blanket at a maximum foam solution of - 0.5%. Higher foam solution concentrations will not achieve better firefighting capabilities. However, what - one benefit will result from a 0.5% - 1.0% foam solution run through a standard fog nozzle? - A) The resulting heavier foam will more effectively smother densely packed materials such as hay bales. - B) The "supercleaning" action of higher foam concentrations remove mineral deposits from fog nozzle - heads. - C) Higher foam concentrations create a thick blanket that offers exposure protection. - D) There are no advantages to foam concentrations run through a standard fog nozzle. -

352) The majority of water tenders in use today carry - - A) 500 to 1,000 gallons. - B) 3,000 to 5,000 gallons. - C) 1,500 to 3,000 gallons. - D) 5,000 to 6,000 gallons. -

353) Which of the following represents the Condensed Q formula for 5 inch hose? - A) FL per 100 ft = Q^2 - B) FL per 100 ft = Q^2/5 - C) FL per 100 ft = Q^2/15 - D) FL per 100 ft =Q^2/100 -

All Chapters - Knightlite Software 76 - 354) On the fireground, Driver/operators will commonly rely on which of the following methods for - determining pressure loss and required pump discharge pressure? - (1) Flowmeters (2) Hydraulic calculations (3) Pump charts (4) Condensed " Q " formula (4) Hand method - (5) GPM flowing - A) 1, 5 - B) 2, 3, 4 - C) 1, 2, 4, 5 - D) 1, 2, 3, 4, 5 -

355) The large intake connection on a pumper is commonly referred to as the - - A) Steamer connection. - B) Supply connection. - C) Intake header. - D) A and C -

356) The tendancy of a liquid to possess internal resistance to flow is known as - - A) Turbidity. - B) Specific gravity. - C) Viscosity. - D) Passive diffusion. -

357) Which of the following is NOT a practical reason for building multicylinder pumps rather than one - large single-cylinder pump? - A) Multiple cylinders are more flexible. - B) Multiple cylinders are more efficient because some of them can be disengaged when full capacity is not - needed. - C) Multiple cylinders are more expensive than single-cylinder pumps. - D) Multiple cylinders are arranged to reach peak flows at different parts of the cycle. -

All Chapters - Knightlite Software 77 - 358) Once a relay pumping operation is underway, if an intake relief valve on an attack pumper is readily - adjustable, it should be set to discharge at - - A) 10 psi. - B) 20 - 25 psi - C) 25 - 50 psi. - D) 50 - 75 psi. -

359) Dump site pumpers should have a low-level strainer attached to the hard intake hose allowing - continuously drafting ability down to a point where only about __ inches of water is left in the tank. - A) 12 - B) 4 - C) 6 - D) 2 -

360) In attacking a fire in a building designed with dry standpipes, what on-site equipment should never - be employed? - A) 2.5 inch ( 65 mm) hoses. - B) House or standpipe hoselines. - C) Two-stage pumpers. - D) All of the above. -

361) What would the tender flow rate be if the tender water tank size is 3,000 gallons, travel time is 6 - minutes, and handling time is 14 minutes? - A) 150 - B) 125 - C) 160 - D) 135 -

362) What are the primary advantages and disadvantages in using a flowmeter versus a pitot gauge in a - pump service test? - A) A flowmeter is less expensive than the pitot gauge and its associated fittings. - B) A flowmeter does not require the pump operator to convert pressure readings into gallons per minute - (liters per minute) readings. - C) The pitot pressure gauge does not require shutting down the pumper or changing nozzles to secure - accurate readings. - D) Flowmeters provide equally accurate measurements in the pump service test, the vacuum test, and the - foam proportioning tests. -

All Chapters - Knightlite Software 78 - 363) Which type of fire apparatus should be given optimum positions at a working structure fire. - A) Pumping apparatus. - B) Aerial apparatus. - C) Rescue apparatus. - D) Ambulances. -

364) What is the shelf life of a synthetic Class B foam? - A) 2 years - B) 10 years - C) 15 years - D) 20 - 25 years -

365) Most hydraulic tool pumps are not capable of supplying full power to the tool if the hose length - between the pump and the tool exceeds - - A) 50 feet - B) 100 feet - C) 150 feet - D) 200 feet -

366) What procedure should a driver/operator follow when responding to a call and encountering a - school bus with its flashing red lights on? - A) Open up the sirens to warn the bus driver and the children of the approaching apparatus and proceed - by the school bus. - B) Slow down to 10 miles and hour and pass the bus with lights and sirens on. - C) Stop, and await for the bus driver to turn off the flashing red lights. Emergency apparatus in some - jurisdictions are not exempt from the laws that require vehicles to stop for school buses when their flashing - red lights indicate that children are being loaded and unloaded. - D) None of the above. -

All Chapters - Knightlite Software 79 - 367) Apparatus equipped with air brakes have an air pressure protection valve that prevents the air horns - from being operated when the pressure in the air reservoir drops below - - A) 100 psi - B) 80 psi - C) 60 psi - D) 40 psi -

368) The formula FL=CQ^2L represents the formula for calculating friction loss. What does the 'Q' stand - for? - A) Friction loss coefficient. - B) Flow rate in hundreds of L/min (gpm)/100. - C) Hose length in hundreds of meters (feet)/100. - D) Elevation pressure -

369) If the relay pumper is receiving water at an intake pressure greater than __ the valve on the dump line - must be adjusted to limit the residual pressure to __. - A) 40 psi, 30 psi. - B) 30, psi, 40 psi. - C) 40 psi, 40 psi. - D) 50 psi, 50 psi. -

370) It is recommended that 2 6-foot (2m) lengths of 1/4 inch (7 mm), 300 psi (2100 kPa) hose with screw - fittings be included in the equipment list of any pump service test. What is the purpose and function of - these hoses and fittings? - A) To supply water pressure to the pitot tube gauges. - B) To connect the flowmeter to the pump discharge line. - C) To connect the test gauges to the test gauge fittings at the pump operator's panel. - D) These lines are used in the vacuum test not the pump service test. -

All Chapters - Knightlite Software 80 - 371) What could you expect if a large rainstorm with a barometric pressure of 28 inches (94.8 kPa) moved - over the site during a pumper service static water test? - A) The pumper's static lift would be reduced by 1 foot (0.3m). - B) The pumper's static lift would be increased by 1 foot (0.3m). - C) The pumper's static lift would be reduced by 6 inches (0.15 m). - D) The test crew would get wet. -

372) When starting an emergency vehicle the first thing the driver/operator needs to know is - - A) Whether all of the occupants of the vehicle are within the cab, and are in a seated position, wearing seat - belts. - B) Where the apparatus is going. - C) Whether all compartment doors are in a closed position. - D) Whether the vehicle has enough fuel to reach it's destination. -

373) Generally who becomes the "Staging Area Manager" during an emergency incident? - A) The incident commander. - B) The first arriving chief officer. - C) The company officer of the first company to arrive at the staging area. - D) The company officer of the second company to arrive at the scene. -

374) Which of the following nozzles is often used to protect exposures? - A) Cellar nozzle. - B) Water curtain nozzle. - C) Piercing nozzle. - D) Chimney nozzle. -

375) An engine should never be shut down immediately after full-load operation. The driver/operator - should allow the engine temperature to stabilize before it is shut down. What is the recommended idle - time in order to accomplish this? - A) 1 to 2 minutes. - B) 3 to 5 minutes. - C) 5 to 7 minutes. - D) At least 8 minutes. -

All Chapters - Knightlite Software 81 - 376) To test the road brakes the driver should allow the vehicle to move forward at a speed of about 5 - mph. The driver then applies the brakes firmly. The apparatus should come to a stop within about - - A) 10 feet - B) 15 feet - C) 20 feet - D) 30 feet -

377) Also known as distributors, this nozzle can be lowered through holes or through some other suitable - opening. - A) Cellar nozzle. - B) Water curtain nozzle. - C) Piercing nozzle. - D) Chimney nozzle. -

378) What is the "installed" component of an Installed In-line Eductor System, and where is it installed? - A) The in-line eductor is installed within the apparatus pumping system. - B) The in-line eductor is permanently installed in the foam fire hose. - C) The Jet Ratio Controller is installed into the apparatus pump system. - D) A and C. -

379) In most cases repairs to apparatus are carried out by - - A) Driver/operators - B) Engine companies - C) Qualified mechanics - D) All the above -

380) Selection of the fill site location by driver/operators and fire officers should be based on a good - knowledge within their response district of - - A) All water system hydrants. - B) All dry hydrants. - C) All suitable drafting locations. - D) All of the above. -

All Chapters - Knightlite Software 82 - 381) Preservice tests include which of the following? - A) Manufacturer's test. - B) Pump certification tests. - C) Acceptance tests. - D) All the above. -

382) Auxiliary engine-driven pumps used on ARFF apparatus and trailer-mounted applications tend to be - powered by full-size diesel engines capable of up to ______ and more. - A) 150 horsepower - B) 300 horsepower - C) 400 horsepower - D) 500 horsepower -

383) Driver/operator Chris says that by allowing an engine to overspeed as a result of improper - downshifting or hill decent should be avoided to prolong engine life. - Driver/operator Jason says that when ascending a steep grade, momentary lugging of the engine is - unavoidable. - Who is correct? - A) Driver/operator Chris - B) Driver/operator Jason - C) Both are correct. - D) Neither are correct. -

384) What is considered the safest position to park apparatus should a building collapse occur? - A) In the front of the building. - B) In the rear of the building. - C) On the sides of the building. - D) At the corners of the building. -

All Chapters - Knightlite Software 83 - 385) What is the average concentration of water that is normally mixed with a foam concentrate to - produce a foam solution? - A) 5%-32.5% water. - B) 33%-55.9% water. - C) 66%-94% water. - D) 94%-99.9% water. -

386) When using a master stream as part of the total hose configuration and using hoseline of unequal - lengths or diameters, friction loss is calculated by using the - - A) Lowest pressure loss in any of the lines. - B) Highest pressure loss in any of the lines. - C) Average pressure loss of all the lines. - D) Sum of the pressure loss in all of the lines. -

387) The type of valve that prevents damage to the tank if the tank-to-pump valve inadvertently opens - when water is being supplied to the pump under pressure, such as in relay pumping operations, is known - as - - A) Check Valves. - B) Safety Valves. - C) Pressure Relief Valves. - D) Monitoring Valves. -

388) Under which of the following circumstances can the fire department driver/operator be exempt from - certain driving statutes that apply to the general public? - A) When responding to an emergency scene. - B) When returning from an emergency scene. - C) When responding to a non emergency scene. - D) All the above. -

389) Which of the following nozzles is also referred to as constant pressure nozzles? - A) Constant flow nozzles. - B) Manually adjustable nozzles. - C) Automatic nozzles. - D) Deluge nozzles -

All Chapters - Knightlite Software 84 - 390) If after starting the vehicle the oil pressure gauge does not indicate any reasonable amount of oil - pressure within __, the driver/operator should stop the engine immediately and have the lubrication - system checked by a trained mechanic. - A) 5 to 10 seconds, - B) 10 to 15 seconds. - C) 15 to 20 seconds. - D) 20 to 25 seconds. -

391) How many BTUs is absorbed when 1 pound of water is heated to 212 degrees F? - A) 212 - B) 270 - C) 790 - D) 970 -

392) What is happening when the intake gauge registers at 28 inches (711 mm) of vacuum and the - pressure gauge is fluctuating? - A) The pump is cavitating. - B) The pump is overheating. - C) The engine speed is too slow. - D) An intake valve has slipped open due to apparatus vibration or a connection is leaking air. -

393) In a multistage pump, the transfer valve should be set to the proper position before - - A) The driver/operator exits the cab. - B) Pressure builds in the pump. - C) After the engine RPM is increased above idle. - D) Once air is removed from the pump. -

394) In a study conducted by the Driver's Reaction Course concluded that a siren sounding on a vehicle - traveling at 60 mph will project __ ahead of the vehicle. - A) 12 feet. - B) 25 feet. - C) 50 feet. - D) 100 feet. -

All Chapters - Knightlite Software 85 - 395) When more than one emergency vehicle is traveling along the same route, units should travel at least - __ apart. - A) 50 - 100 feet - B) 100 - 300 feet - C) 300 - 500 feet - D) 500 - 700 feet -

396) What affect is produced by the addition of ammonia salts (suspended in an organic solvent) to a - fluoroprotein foam concentrate? - A) The aqueous properties of the fluoroprotein foam are enhanced. - B) The corrosive "supercleaning" affect of fluoroprotein foams on apparatus tanks and pump systems is - mitigated. - C) The FFP foam is rendered alcohol-resistant for a short period of time. - D) The shelf life of the FFFP concentrate is extended 5-7 years. -

397) What settings should be made when priming a two-stage pump in a draft situation? - A) Set the transfer valve to PRESSURE (SERIES). - B) Set the transfer valve to VOLUME (PARALLEL). - C) Set the transfer valve to PRESSURE (SERIES), and shift to VOLUME (PARALLEL) once prime is attained. - D) Set the transfer valve to VOLUME (PARALLEL), and make sure all valves, discharge valves, and drains are - closed. -

398) Determine the gallons per minute of a small stream that is 20 feet wide with an average depth of 2 - feet flowing approximately 10 feet per minute. - A) 2,500 gpm - B) 3,250 gpm - C) 3,000 gpm - D) 2,750 gpm -

All Chapters - Knightlite Software 86 - 399) In reviewing the results of the Tank-to-Pump Flow test, the Discharge Pressure Gauge (flowmeter) test, - the Pressure Control test, and the Vacuum test, the Pumping test, and the Engine Speed test, what criteria - determines that the apparatus is not suitable for service in its present condition? - A) When any system fails to meet 95% of its capabilities when certified. - B) When the Pressure control test fails to meet 90% of the certification test level, and any other system fails - to meet 85% of the certification test level. - C) When the fire pump tests to less than 90% of its certification testing levels. - D) When the tank is not discharged to 80% of its capacity during the Tank-to-Flow test, when the Pressure - Control tests fail to meet 95% of the certification test level, and when any other system fails to achieve 85% - of manufacturers specifications and certification test level. -

400) When positioning at a hydrant, the driver/operator should connect a __ diameter intake hose - between the large pump intake and the steamer connection on the hydrant. - A) Small. - B) Large. - C) Equal size. - D) Size of hose is not a factor. -

401) To insure that other pump service tests are corrupted by critical equipment flaws, many fire - departments conduct another pressure test before proceeding to the pumping test. What is the name of - this secondary test? - A) Back-pressure test. - B) Engine speed test under load. - C) Hard intake hose test. - D) Intake gasket test. -

402) Since all fire departments are in jurisdictions that have differing topographies, street conditions, and - differing levels of urban congestion, it is recommended that bids for new fire apparatus be based on which - of the following? - A) Specific engineering and specification requirements that fit the needs of the local jurisdiction. - B) Performance-based specifications that fit the needs of the local jurisdiction. - C) Maximum tolerance standards of the apparatus manufacturer. - D) NFPA 1901. -

All Chapters - Knightlite Software 87 - 403) Which of the following eductors are used with water stream flow rates greater than 350 gallons per - minute (1,400 L/min)? - A) In-line eductor - B) Self-educting Master Stream Flow Nozzle . - C) Foam Nozzle Eductor. - D) A flow rate of 400 gpm (1600L/min) requires a High-Energy Proportioning System. -

404) The position of an object above or below sea level is called- - A) Elevation - B) Altitude - C) Height - D) Length -

405) Which of the following attributes is NOT an advantage of the Variable-Flow Demand-Type Balanced - Pressure Proportioning System? - A) The system remains in a ready to pump condition. - B) Since the systems do not use ratio controllers and therefore do not experience reductions in discharge - area or discharge pressure drops. - C) The foam concentrate pump is monitored so that foam concentrate flow and pressure match system - demand. - D) No after-use flushing is required. -

406) The amount of water needed for fire protection in small towns is __ than the amount of water needed - for industrial and domestic use. - A) Greater - B) Less than - C) Equal - D) Slightly less than -

All Chapters - Knightlite Software 88 - 407) Weight distribution and load requirements generally limit mobile water supply apparatus to carrying - ______ or less for single rear-axle vehicles. - A) 500 gallons. - B) 750 gallons. - C) 1000 gallons. - D) 1500 gallons. -

408) NFPA 1901 requires all tenders to be able to dump at a minimum average flow rate of __ gpm for the - first 90 percent of the tank. - A) 900 - B) 800 - C) 1000 - D) 750 -

409) Which of the following is NOT a factor in determining rates of application for a fire fighting foam? - A) Whether the foam concentrate has an expired shelf life. - B) Whether the fuel is on fire. - C) Whether the fuel is a hydrocarbon. - D) Whether the fuel is spilled on the ground. -

410) Which technique for calculating the amount of water available from a hydrant requires the operator - to know the static pressure of the water system before discharges are opened? - A) Squaring the Lines Method. - B) Percent Drop Method. - C) First Digit Method. - D) B and C. -

411) Which pump type is always in gear when the engine is running? - A) Midship Transfer Driven Pump. - B) Front Mount Pump. - C) Auxiliary Pump. - D) Rear Mount Pump. -

All Chapters - Knightlite Software 89 - 412) Driver/Operator Tom says that with a positive discharge pump there is little or no harm from shutting - off all discharges to the pump for short periods of time. - Driver/Operator Dick says allowing a pump to circulate with no discharges open for an extended period of - time may seize the wear rings and cause serious pump damage. - Driver/Operator Harry says if no water is expected to be discharged for an extended period of time the - pump should be disengaged until water is needed. Who is correct? - A) Driver/operator Tom. - B) Driver/operator Dick. - C) Driver/operator Harry. - D) They are all correct. -

413) Which water pumping system uses one or more pumps to take water from a primary source, and - discharge it through a filtration and treatment process? - A) Vacuum pumping system - B) Gravity system - C) Direct pumping system - D) Combination system -

414) Driver/operators should remember that when hose lengths are equal or unequal in length and/or - diameter, the total pressure loss in the line is based on the - - A) Lowest pressure loss in any of the lines. - B) Highest pressure loss in any of the lines. - C) Average pressure loss of all the lines. - D) Sum of pressure loss in all of the lines. -

415) How can the Pump Operator determine the amount of additional water that a hydrant can supply, - once the pumper is already drafting from the hydrant? - A) By calculating the difference between the static and residual pressures of the intake line. - B) By calculating the static and discharge pressures of the discharge line. - C) By calculating the amount of pressure drop between the hydrant and the master intake pressure gauge. - D) By attaching a pitot gauge to the gate valve on a hydrant. -

All Chapters - Knightlite Software 90 - 416) Rescue vehicles commonly have generators with power capabilities up to __ of power. - A) 12,000 watts - B) 20,000 watts - C) 35,000 watts - D) 50,000 watts -

417) How can the pump be primed when the tank-to-pump valve is not sealing with an empty tank? - A) While running the booster line at 150 psi (1035 kPa) , submerge the suction hose under water with the - cap on, take the cap off and connect the strainer, and slowly close the tank-to-pump line while continuing - to discharge from the booster line. - B) Submerge the hard suction line under water with the cap on, remove the cap, and open the - tank-to-pump valve. The hard suction line and the pump will be primed. - C) Repeat the procedure in A above, however run the pump at 100 psi (700 kPa). - D) Repeat the procedure in B above, however increase engine speed to 1500-1600 rpm. -

418) Which of the following nozzles should never be used with Class A foams? - A) Air-Aspirating Foam Nozzle. - B) Smoothbore Nozzle. - C) Fixed-flow and automatic Fog nozzles. - D) None of the above. -

419) At what point in the purchase process is an Acceptance Test conducted? - A) When the apparatus is delivered to the end purchaser. - B) At the factory when the pump has just been manufactured. - C) Just before the apparatus is to be delivered to the end purchaser. - D) Within one year of delivery of the apparatus, but not within less than 9 months after the end purchaser - has accepted delivery. -

420) Straddling a hose during a pressure test is: - A) The only effective way to observe hose-coupling movements during a pump service test. - B) The most effective angle for reading a pitot gauge. - C) The most effective method for checking for indications of water hammer at the coupling. - D) A good way to get seriously injured. -

All Chapters - Knightlite Software 91 - 421) When setting up a serpentine course the markers should be spaced between __, depending on the - size of the apparatus being used. - A) 20 - 28 feet. - B) 30 - 38 feet. - C) 40 - 48 feet. - D) 50 - 58 feet. -

422) Which of the following conductivity tests employs the formula - - % of concentration in solution+ (Conductivity of solution) - (conductivity of water) / 500 - A) Conductivity Comparison Test. - B) Conductivity Calibration Curve Test. - C) Direct Reading Conductivity Test. - D) Foam Concentrate Conductivity Method. -

423) What should the Driver/Operator do when the apparatus pump will not prime, the priming oil - reservoir is empty, and there is no reserve priming oil supply on board? - A) Look for a new job. - B) Dispatch a firefighter to replenish the supply. - C) Refill the reservoir with any substitute light oil available (such as 3 in 1, WD-40, or even SAE 5W-30) but - flush and refill with priming oil at the first opportunity. - D) Refill the reservoir with clean water but flush and refill with priming oil at the first opportunity. -

424) While performing a static water draft, the suction line collapses and the intake pressure gauge drops - to "0" when the discharge to the hoseline is opened. What has happened? - A) The pump pressure is too high. - B) The lift elevation exceeds 6 vertical feet (2 m) between the eye of the pump impeller and the water - surface. - C) A kink in the suction line has created excessive friction loss. - D) The pump is not properly primed. -

All Chapters - Knightlite Software 92 - 425) AFFF foams are known as fast moving foams that float across a burning surface or a spilled volatile - and quickly surround objects thereby creating a uniform and smothering blanket. However, foam is not - the initial fire suppression element in an AFFF. What is? - A) A synthetic film that precedes the foam blanket lies on top of the fuel surface and seals the fuel from - the air. - B) The water contained in the foam cools the fire temperature so the foam can smother continued - combustion and off-gassing of volatile liquids. - C) The hydrocarbon surfactants in AFFF chemically react to inhibit break-down (combustion) of the - hydrocarbon molecules in the fuel. - D) In the presence of heat, the fluoroprotein surfactants in AFFF give off non-combustible fluoride gas, - which replaces oxygen molecules in the air immediately above the fire. -

426) In the apparatus station parking maneuver, an apparatus bay is simulated by allowing a __ foot - minimum setback from the street that is __ wide. - A) 20, 40 feet. - B) 20, 30 feet. - C) 40, 12 feet. - D) 30, 12 feet -

427) If an LDH relay pumping operation will be supporting more than one pumper at the fire scene, a __ - should be used to break down the LDH into two or more lines that can be connected to the attack - pumpers. - A) Discharge manifold. - B) Wye. - C) Siamese. - D) Water thief. -

428) What is considered standard atmospheric pressure at sea level? - A) 10.2 psi - B) 12.7 psi - C) 14.7 psi - D) 16.2 psi -

All Chapters - Knightlite Software 93 - 429) Fire departments, unable to afford custom-manufactured tenders, may convert all but which of the - following vehicles into a tender? - A) Petroleum trucks. - B) School buses. - C) Milk trucks. - D) Vacuum Trucks. -

430) Friction loss may be caused by all of the following conditions, however which of the following would - be considered the primary determinant affecting the amount of friction loss within a hoseline? - A) Hose conditions. - B) The volume of water flowing per minute. - C) Coupling conditions. - D) Kinks. -

431) When determining friction loss coefficients using in-line gauges, how far from the first gauge should - the second gauge be placed regardless of what length hose you are testing? - A) 15 meters. - B) 30 meters. - C) 60 meters. - D) 90 meters. -

432) Which of the following statements regarding the physical characteristics of water is Not true? - A) Water has a greater heat-absorbing capacity than other common extinguishing agents. - B) A relatively large amount of heat is required to change water into steam. - C) The greater the surface area of water presented to the fire, the more rapidly the heat will be absorbed. - D) The lesser the surface area of the water exposed, the more rapidly heat is absorbed. -

433) Under most operating conditions, incoming pressure from a hydrant or relay line should not be - reduced below what pressure level? - A) 0 psi ( 0 kPa). - B) 20 psi (140 kPa). - C) 30 psi (207 kPa). - D) 43 psi (315 kPa). -

All Chapters - Knightlite Software 94 - 434) In the 150 psi (1035 kPa) pumping test, the flow of the nozzles should be adjusted by lessening - engine speed or increasing valve openings. During this entire procedure, what engine speed should be - used? - A) 2100 rpm. - B) No more than 60% peak. - C) 3250 rpm. - D) No more than 80% peak. -

435) Which of the following applications in which the use of a flowmeter would not be helpful to a - driver/operator? - A) Diagnosing water problems. - B) Relay pumping. - C) Standpipe operations. - D) Drafting. -

436) You are about to test 30 meter lengths of hose to determine friction loss coefficients. How much hose - should be laid out in order to perform an accurate test? - A) 15 meters - B) 30 meters - C) 90 meters - D) 120 meters -

437) Directing the foam stream into the air over a spill or fire and allowing the foam to float down over the - target area is - referred to as - - A) The Roll-On method. - B) The Rain-Man method. - C) The Bank Down/Roll-Off hybrid method. - D) The Rain Down method. -

All Chapters - Knightlite Software 95 - 438) The quantity of heat absorbed by a substance when it changes from a liquid to a vapor is called - - A) State transformation energy. - B) Specific heat. - C) Latent heat of vaporization. - D) Latent heat of conduction. -

439) At what point does the pumping test "officially" begin? - A) When the pump discharge pressure and flow volume are satisfactory. - B) Five minutes after the discharge pressures are stabilized. - C) After the nozzle pressure reaches 90% of test flow. - D) After 20 minutes of stabilized pumping at all correct settings. -

440) When executing the alley dock exercise what is the width of the space the driver/operator must back - into? - A) 12 feet. - B) 20 feet. - C) 40 feet. - D) 60 feet. -

441) In what gear should the transmission be placed in when power transfer is made while shifting in and - out of pump? - A) Drive. - B) Reverse. - C) Neutral. - D) Does not matter. -

442) Which hydrant capacity calculation method cannot be used with metric readings? - A) Squaring the Line Method. - B) Percent Drop Method. - C) First Digit Method. - D) Multiply by Two Method. -

All Chapters - Knightlite Software 96 - 443) Which of the following statements does not apply in describing a multi-stage centrifugal pump? - A) Each impeller is mounted within a single housing. - B) Contains three impellers mounted within a single housing. - C) The impellers are usually mounted on a single shaft. - D) Generally the impellers are identical and have the same capacity. -

444) Which of the following statements is correct? - A) The majority of water systems are able to maintain adequate pressure in the hydrant system for effective - fire fighting. - B) Fire pumps are not necessary to provide the pressures needed to supply attack lines. - C) The majority of water systems are unable to maintain adequate pressure in the hydrant system for - effective fire fighting. - D) None of the above. -

445) That part of the total pressure loss while forcing water through pipe, fittings, fire hose, and adapters is - called which of the following? - A) Pressure loss. - B) Flow loss. - C) Residual loss. - D) Friction loss. -

446) The exercise that measures the driver/operator's ability to steer the apparatus in a straight line, to - judge distances from wheel to object, and to stop at a finish line is called - - A) Diminishing-clearance exercise. - B) Alley dock exercise. - C) Serpentine course. - D) Confined space turnaround. -

447) Which of the following statements about pressurized water supply systems is false? - A) Given friction loss problems, the closest hydrant to the fireground is the best choice. - B) Hydrants located on a "dead-end" water main often can be clogged and provide unreliable and low - amounts of water. - C) Fire hydrants can be color-coded based on volume capacities. - D) Dispatchers should be provided with hydrant capacities and location information that can be relayed to - responding companies. -

All Chapters - Knightlite Software 97 - 448) Charging batteries produces which of the following explosive gases? - A) Hydrogen - B) Oxygen - C) Methane - D) Propane -

449) Driver/operator Neal says that ladder pipes can be controlled by firefighters at the tip of the ladder. - Driver/operator Brett says that ladder pipes can be controlled by using a rope from the ground. - Who is correct? - A) Driver/Operator Neal. - B) Driver/operator Brett. - C) Both are correct. - D) Neither are correct. -

450) To ensure safety and efficiency fog nozzles should be operated at a nozzle pressure of - - A) 50 psi. - B) 80 psi. - C) 100 psi. - D) 150 psi. -

451) As firefighters discharge water from the nozzle at a given pressure, a force pushes back upon the - firefighters who are handling the hoseline. This counterforce is known as - - A) Nozzle kickback. - B) Nozzle reflex. - C) Nozzle counterforce. - D) Nozzle reaction. -

452) Which of the following is not a primary type of apparatus required to operate an effective water - shuttle operation - - A) Pumper - B) Ladder truck - C) Tender - D) Tanker -

All Chapters - Knightlite Software 98 - 453) A turning or state of being turned, a turning from a straight line or given course, or a bending or a - deviation best describes which of the following? - A) Rotation. - B) Deflection. - C) Revolution. - D) Orbit. -

454) Besides permitting the connection of a second pumper to the hydrant without disrupting existing - attack lines, the second major tactical advantage offered by the four-way hydrant valve is - - A) The second pumper can boost the pressure to the first attack line from the hydrant. - B) The second pumper can both boost the hydrant pressure to the first attack line and can draw a second - supply line from the same hydrant to the fire. - C) Minimizes cavitation in the pump of the first attack unit when the clapper valve is closed in the pump - discharge fitting of the four-way valve. - D) A and B. -

455) Cellar nozzles, water-curtain nozzles, piercing nozzles, and chimney nozzles are all considered - - A) Solid stream nozzles. - B) Fog nozzles. - C) Broken stream nozzles. - D) Special purpose nozzles. -

456) Which of the following statements regarding Pressure Governors is NOT true? - A) The speed of the impellers determines the pressure, and the engine speed determines the speed of the - impellers. - B) The main feature of a Pressure Governor is to regulate the power output of the engine to match the - discharge requirements. - C) Excessive pressures are most commonly caused by shutting down one or more operating hoselines. - D) It is not normally necessary to reduce engine speed in order to reduce pressure. -

All Chapters - Knightlite Software 99 - 457) To make the three base curve solutions necessary for testing a 6% foam solution in a Foam Solution - Refractivity Test, how much water should be used if the container holds a total volume of 100 ml? - A) 100 ml - B) 94.3 ml, 94 ml, 93.7 ml - C) 93 ml, 94 ml, 96 ml - D) 94 ml -

458) Additional apparatus arriving to a scene on an interstate highway should park - - A) Immediately behind of the shielding apparatus. - B) Immediately in front of the shielding apparatus. - C) 150 to 200 feet from the shielding apparatus. - D) 300 to 500 feet from the shielding apparatus. -

459) Determining the locations of late-arriving pieces is normally directed by - - A) Department SOPs. - B) The Incident Commander. - C) The Officers riding on the late-arriving pieces. - D) A and B only. -

460) All fire department pumpers are rated to have a maximum volume capacity at a net pump discharge - pressure of - - A) 80 psi. - B) 100 psi. - C) 125 psi. - D) 150 psi. -

461) A mode of pumping operation in which water passes consecutively through each impeller to provide - high pressure at a reduced volume is called - - A) Parallel operation. - B) Volume operation. - C) Consecutive operation. - D) Pressure operation. -

All Chapters - Knightlite Software 100 - 462) The packing of the fire pump only receives the needed water for lubrication if - - A) The pump is the least half full and has at least one discharge open. - B) The driver/operator is pumping in the Pressure position. - C) The driver/operator is pumping in the Volume position. - D) The pump is full and operating under pressure. -

463) The course for the diminishing-clearance exercise is arranged by two rows of stanchions that form a - lane which is __ long. - A) 75 feet. - B) 100 feet. - C) 125 feet. - D) 150 feet. -

464) What is the function of the tachometer? - A) To measure the rate in which water flows through the pump. - B) Records the engine speed in revolutions per minute (rpm). - C) To measure the differential pressure between the master intake gauge and the mastered discharge - gauge. - D) To measure the speed in which the impellers are spinning within the pump (rpm). -

465) Which of the following statements would be consider true? - A) Atmospheric pressure increases at lower altitudes and decreases at higher altitudes. - B) Atmospheric pressure decreases at lower altitudes and increases at higher altitudes. - C) Atmospheric pressure stays the same no matter what altitude. - D) Atmospheric pressure varies due to wind direction and wind speed. -

466) What is a key indication that the packing of a fire pump is too loose? - A) An excessive amount of noise resonating from the fire pump. - B) A rapid buildup of heat around the pump. - C) An excessive amount of water leaking from the pump during operation. - D) A decrease in pressure at the pump discharges. -

All Chapters - Knightlite Software 101 - 467) Friction loss is caused by all of following except - - A) Movement of water molecules against each other. - B) Linings in the fire hoses and couplings. - C) Sharp bends, improper gasket sizes, and changes in hose size or orifice by adapters. - D) Reducing hose length and increasing host diameter. -

468) After the 20 minute pump capacity test has been completed, what should be the next step taken by - the Driver/Operator? - A) Shut down the engine and equalize the pressure in the pump. - B) The pump discharge pressure should be increased to 160 psi (1104 kPa) and run for an additional 20 - minute interval. - C) The net pump discharge pressure should be increased to 200 psi (1380 kPa) and run for an additional - 10 minute interval. - D) The pump discharge pressure should be increased to 200 psi (1380 kPa) and run for an additional 20 - minute interval. -

469) The term referred to as the distance a vehicle travels while the driver is transferring his foot from the - accelerator to the brake pedal after perceiving the need to stop the vehicle is called the - - A) Reaction distance. - B) Reaction time. - C) Braking time. - D) Braking distance. -

470) The line bounding a rounded surface or the outward boundary of an object distinguish from its - internal regions best describes which a the following? - A) Diameter. - B) Circumference. - C) Periphery. - D) Area. -

All Chapters - Knightlite Software 102 - 471) What is the primary cause of "negative pressure" ? - A) Friction loss in the intake supply line. - B) Pump cavitation. - C) Friction loss in the discharge line. - D) Interruptions in the external supply line. -

472) Typically, the water capacity of a ladder tender is - - A) 100 gallons. - B) 300 gallons. - C) 500 gallons. - D) 750 gallons. -

473) FDC (Fire Department Connections) to a building's automatic sprinkler system are usually located on - the outside of the building and consist of what kind of connective fittings? - A) A Siamese with two 2.5 inch (65 mm) female connections. - B) A Siamese with two 2.5 inch (65 mm) male connections. - C) One large diameter sexless connection with a clapper inlet. - D) A and C -

474) How many BTUs are required to raise 1 lb. of water at 60 degrees F to 212 degrees F? - A) 100 - B) 125 - C) 152 - D) 158 -

475) Who should always don protective gear before the apparatus leaves the station? - A) The firefighters. - B) The drive/operator. - C) The firefighters and officer. - D) All personnel should don their protective gear before the apparatus leaves the station. -

All Chapters - Knightlite Software 103 - 476) Where does the "Circle" or pre-trip Walk-Around begin? - A) At the driver's door on the cab. - B) In front of the vehicle. - C) In back of the vehicle. - D) Inside the cab by starting the apparatus and performing a functional check on apparatus systems. -

477) The device used to measure the amount of foam concentrate in a solution is called a - - A) Refractivity metering device. - B) Gas chromatograph. - C) Refractometer. - D) Refractograph. -

478) Which of the following foam concentrate proportions should be used with most foam nozzles? - A) 0.10% - B) 0.40% - C) 0.50% - D) 1% -

479) Before braking the driver/operator should consider which of the following? - A) The weight of the apparatus. - B) The condition of the brakes and tires. - C) The condition of the road surface. - D) All the above. -

480) A natural or man-made barrier that will prevent a wildland fire from spreading around and encircling - the engine and crew is referred to as a(an) - - A) Anchor point. - B) Base station. - C) Circle of refuge. - D) Cold zone. -

All Chapters - Knightlite Software 104 - 481) At a hazardous materials incident triage and treatment areas should be established in the - - A) Hot zone. - B) Warm Zone. - C) Limited access zone. - D) Cold zone. -

482) The combination of friction loss an elevation pressure loss is referred to as - - A) Total friction loss. - B) Total elevation pressure loss. - C) Total water pressure loss. - D) Total pressure loss. -

483) The most efficient way of operating a water shuttle is to use __ as the dump site water supply source - A) Nurse tenders. - B) Portable water tanks. - C) Attack pumpers. - D) Aircraft tenders. -

484) If a pumper experiences a 26% drop between static and residual pressure readings, what volume of - additional water can be supplied by the hydrant? - A) Same amount as being delivered. - B) Twice the amount that is currently being delivered. - C) Three times the amount being delivered. - D) None. The hydrant pressure needs to be boosted at the water plant. -

485) Which of the following is the correct formula for calculating 'Net Pump Discharge Pressure' ? - A) NPDP = PDP - Intake Reading - B) NPDP = PDP + Intake Reading - C) NPDP = PDP * (0.5) * Intake Reading. - D) NPDP = PDP + Intake Reading / 100 -

All Chapters - Knightlite Software 105 - 486) Who is generally credited with conducting the research that resulted in the invention of the modern - compressed air foam system? - A) Dr. Robert Goddard. - B) Jean Luc Godard - C) U.S. Forest Service. - D) U. S. Bureau of Land Management. -

487) According to NFPA 1901, Standard for Automotive Apparatus, which of the following nozzles are - required to be carried on fire department pumpers? - (1) Cellar nozzles (2) Water-curtain nozzles (3) Piercing nozzles (4) Chimney nozzles. - A) 1, 4. - B) 1, 2, 4. - C) 1, 2, 3, 4. - D) None of the above. -

488) After engaging the pump and exiting the apparatus cab, what should be the first action the - Driver/Operator performs? - A) Open the tank-to-pump valve. - B) Lock the pump into the PARALLEL position. - C) Check the master pressure gauge to insure the pump is operating within rated pressures. - D) Chock the wheels. -

489) In a Constant Pressure Relay, once the hoseline has been filled with water, the driver/operator position - at the first relay pumper should close the unused discharge gate and advance the throttle to - - A) 80 psi. - B) 100 psi. - C) 150 psi. - D) 175 psi. -

All Chapters - Knightlite Software 106 - 490) Many fire department pumpers today are equipped with tank-to-pump lines as large as __ in - diameter. - A) 4 inches. - B) 6 inches. - C) 8 inches. - D) 10 inches. -

491) If a pump apparatus is drafting from a mountain lake at elevation 6,000 feet, what is the - corresponding atmospheric pressure? - A) 14.7 psi (100 kPa). - B) 17.7 psi (122 kPa). - C) 21.7 psi (150 kPa). - D) 11.7 psi ( 80 kPa). -

492) Under what circumstances does the Driver /Operator dismount the cab in order to activate the - apparatus pump during a "pump and roll" operation? - A) When the apparatus is outfitted with front-mounted pumps. - B) When utilizing a water cannon. - C) When operating a midship transfer driven pump. - D) The Driver / Operator never dismounts the cab. -

493) The Hand method can also be used to calculate total pressure loss from 1 3/4 inch hose. In view of - this how many gallons per minute is represented by the index finger? - A) 100 gpm. - B) 125 gpm. - C) 150 gpm. - D) 175 gpm, -

494) Which of the following fire pump arrangements has power being supplied to the pump through the - use of a split-shaft gear case located in the drive line between the transmission and the rear axle? - A) Auxiliary engine-driven pumps. - B) Power take-off drives. - C) Front mounted drives. - D) Midship transfer drives. -

All Chapters - Knightlite Software 107 - 495) Tandem pumping normally is utilized when the - - A) Required pressure is higher than what a single engine is capable of supplying. - B) Required volume is higher than what a single engine is capable of supplying. - C) Water source is a substantial distance away from the attack pumper. - D) When their is a lack of water resources at the scene. -

496) Municipal and industrial foam pumpers may be equipped with one of the following foam systems - except - - A) Under-the-pump. - B) Direct injection. - C) Around-the-pump. - D) Balanced pressure -

497) The discharge section of a centrifugal pump is known as the - - A) Shroud. - B) Vanes. - C) Eye. - D) Volute. -

498) The promotion of a firefighter to the position of driver/operator should weigh heavily on which of the - following criterion? - A) Seniority. - B) Written or Performance tests. - C) Skill and ability. - D) A combination of service and tests. -

499) Some of the instrumentation required by NFPA 1901 located on the pump operators panel would - include all but which of the following? - A) Master pump discharge pressure indicating light. - B) Weatherproof tachometer. - C) Pumping engine throttle. - D) External environmental temperature gauge. -

All Chapters - Knightlite Software 108 - 500) In a Midship Transfer drive the normal arrangement is for the transfer case to be controlled from - - A) Within the cab of the apparatus. - B) At the pump panel. - C) In the front of the apparatus. - D) Within a compartment near the pump panel. -

Questions 1-500 Flashcards

(500 cards)