P&A

Question 1

The maximum loading for any unsupported aerial device occurs when operated at angles between ___ and ___ from horizontal.

Answer 1

70 and 80 degrees

Question 2

Ranging from ________ Watts, portable lights are advantageous during incidents where illumination is needed some distance away from a piece of apparatus or additional lights are required.

Answer 2

300-1000 watts

Question 3

There are _____ locations in the US where there is less than 100 feet following the railroad tracks. These sites account for an average of ____ accidents annually

Answer 3

19,824. 122

Question 4

1 inch of mercury creates the same pressure at the bottom of the container as ____ inches of water

Answer 4

13.55

Question 5

Pumps rated greater than ____ GPM capacity may require more than one large intake connection at each location.

Answer 5

1500

Question 6

Tenders featuring pumps of ___ or greater are often called pumper/tenders.

Answer 6

750 gpm

Question 7

Fluoroprotein foam may be made alcohol resistant with the addition of ____

Answer 7

Ammonia salts suspended in organic solvents

Question 8

Most structural and wild man suppression operations conducted with CAFS use an air flow rate of ____

Answer 8

.5-1 cubic ft/min

Question 9

Normal hydraulic pressure is from ___-___ psi

Answer 9

850-3000

Question 10

Detachable ladder pipes are typically limited to flows of less than ____

Answer 10

750gpm

Question 11

Some apparatus are equipped with banks of lights mounted on booms that are powered by electric, pneumatic, or hydraulic systems. These installations generally have a capacity of ____ to ____ watts per light.

Answer 11

500-1500

Question 12

Specific gravity of methylene chloride (from chart page 168)

Answer 12

1.33

Question 13

Many power-operated transfer valves operate at pressures as high as ____

Answer 13

200 psi.

Question 14

Although they may vary in size, cisterns typically range from ___ to ___ Fallon’s

Answer 14

10,000-100,000

Question 15

Water storage receptacle that is usually underground and may be supplied by a well or rainwater runoff.

Answer 15

Cistern

Question 16

Pressure loss or gain created by changes in elevation between the nozzle and pump.

Answer 16

Back pressure

Question 17

Installed in-line eductors are most commonly used to proportion ___ foam

Answer 17

Class B

Question 18

When used on a fire line, durable agents are often applied at ___-___ percent. For structure protection, the application ratio is __-__ percent.

Answer 18

1.5-2

2-3

Question 19

Pneumatic systems require anywhere from ___-___ psi air pressure for the PTO to be operated, depending on the manufacturer.

Answer 19

50-140

Question 20

Definition – loads that involve motion; includes the forces arising from wind, moving vehicles, earthquakes, vibration, falling objects, or the addition of a moving load force to an aerial device or structure.

Answer 20

Shock loading

Question 21

Most constant flow nozzles feature a ________ stream and are equipped with an adjustable pattern range

Answer 21

Periphery Deflected

Question 22

Definition – a component of the powertrain that receives torque from the engine and converts it to rotation to the wheels. A clutch is used to disengage the transmission from the engine to allow the apparatus to start, stop, or change gears to maximize engine performance.

Answer 22

Manual shift transmission

Question 23

To create an effective fire stream a lift of no greater than ___ feet is recommended. Working with this lift the pump operates at about ___ percent of its rated capacity.

Answer 23

20, 60%

Question 24

Agricultural irrigation systems in some jurisdictions may flow in excess of _____ gpm.

Answer 24

1000

Question 25

Def - Theoretical safety zone that surrounds the center of gravity on an aerial apparatus

Answer 25

Gravity circle

Question 26

_______ converts the mechanical energy of the vehicle into heat by compressing the engine intake air and then discharging the pressure to the atmosphere through the exhaust.

Answer 26

Engine compression brake

Question 27

An _______ brake has no impact on engine temperature

Answer 27

Engine compression

Question 28

_____ is an electronically actuated mechanical system added to the engine valve train.

Answer 28

Engine compression brake

Question 29

________ is either mounted in the driveline, or supplied as an integral part of the rear axle

Answer 29

Electromagnetic retarder

Question 30

________ will experience some loss of effectiveness at high temperatures

Answer 30

Electromagnetic retarders

Question 31

A _______ uses the viscous property of the automatic transmission fluid to retard the driveline.

Answer 31

Transmission output retarder

Question 32

_____ is integrated into the ABS

Answer 32

Roll stability control

Question 33

Featuring a stream of fast moving, fine spray, high pressure fog nozzles may use ______

Answer 33

An Impinging stream.

Question 34

In modern apparatus the use of ______ is confined to small capacity booster type pumps, low-volume high-pressure pumps, and priming pumps

Answer 34

Rotary pumps

Question 35

Hinged valve that permits the flow of water in one direction only.

Answer 35

Clapper valve Check valve is automatic valve.. longer def with example

Question 36

If 2 1/2 inch pipe is used with 90° bends and T fittings the flow may be limited to ___ GPM. Whereas if 3 inch pipe is used with a straighter piping route a flow as high as ___ GPM is possible through one of these intakes which may also be used as auxiliary drafting points.

Answer 36

250 450

Question 37

Device that injects the correct amount of foam concentrate into the water stream to make the foam solution.

Answer 37

Foam proportioner

Question 38

Portable proportioning device that injects a liquid such as foam concentrate into the water flowing through a hose or pipe.

Answer 38

Eductor

Question 39

Many modern Fuels including gasoline are blended with up to ___% solvent additives. Treat these products as _____ during emergency operations

Answer 39

15 Polar solvents

Question 40

Foam concentrate tanks on municipal fire apparatus generally range from ____ gallons while foam pump or tenders may carry _____ gallons or more of concentrate.

Answer 40

20-200 8000

Question 41

Expansion ratios for most fog nozzles are in the ___ up to ____ range.

Answer 41

2:1 up to 4:1

Question 42

There are two basic types of medium and high expansion foam generators: _____ and _____

Answer 42

Water aspirating and mechanical blower

Question 43

Pump capacities larger than 750 GPM increase in increments of 250 GPM with most municipal fire department operating pumpers of ____ gpm or less

Answer 43

2000

Question 44

The midi pumper has a fire pump with a rated capacity generally not greater than_____

Answer 44

1000 gpm

Question 45

Fireboat master streams excess of ____ GPM

Answer 45

10,000 Capacities still 50,000

Question 46

All Fire Apparatus training and testing should follow NFPA _____

Answer 46

Nfpa 1451 standard for fire and emergency service vehicle operations training program

Question 47

Any pressure less than zero is called vacuum and absolute zero pressure is called a _____

Answer 47

Perfect vacuum

Question 48

In modern apparatus, the use of ____ is confined to small capacity, booster type pumps; low volume, high pressure pumps; and priming pumps.

Answer 48

Rotary vane pumps

Question 49

Pumps used in the fire service constructed with a single impeller are referred to as single state centrifugal pumps. These may consist of front mount, power take off, auxiliary engine driven, and midship pumps that use a single intake impeller and a simple casing to provide flow capacities up to ___ gpm

Answer 49

2250

Question 50

The ____ provides a relative indication of battery condition, and the ____ indicates the status of the vehicles alternator and charging system.

Answer 50

Voltmeter Ammeter

Question 51

The ____ cooler is inserted into one of the hoses used in the engine cooling system so that the engine coolant must travel through it as it circulates though the system.

Answer 51

Marine

Question 52

Load the hose with ___ coupling to come out of the bed first when using hose with threaded couplings for a reverse lay.

Answer 52

Male

Question 53

The ability to overcome losses in pressure is limited to ___

Answer 53

Atmospheric pressure at sea level.

Question 54

Percent drop Static - residual (100) ________________________ Static

Answer 54

1-10 3 times amount delivered 11-15 2 times amount delivered 16-25 Same amount as delivered 25+ 0 additional

Question 55

_________ can be calculated by determining the actual atmospheric pressure of an area and multiplying that number by the water’s pressure per square foot while it is in the intake hose.

Answer 55

Theoretical lift

Question 56

Adjustable intake relief valve set ___ psi above static pressure of water system or above discharge pressure of previous pumper in relay.

Answer 56

10

Question 57

Foam concentrate tanks on municipal fire apparatus generally range from 20-200 gallons while foam pumper or tenders may carry ____ gallons or more of concentrate.

Answer 57

8,000

Question 58

Some master stream foam nozzles are capable of delivering ____ gpm

Answer 58

14,000

Question 59

Installed in line eductors are most commonly used to proportion ____ foam.

Answer 59

Class B

Question 60

A foam solution _______ test ensures the quality of a foam solution after it has been created by a foam proportioning system.

Answer 60

Refractivity

Question 61

____ testing is used to ensure the quality of synthetic based foam produced by various foam proportioning systems and equipment.

Answer 61

Conductivity

Question 62

Two types of pre-piped waterway systems: ___ and ___

Answer 62

Bed ladder systems and telescoping waterway systems

Question 63

___ represent the overall PLANS needed to successfully mitigate an emergency and terminate an incident. ____ are the actual PROCEDURES and ACTIONS taken to successfully carry out strategies.

Answer 63

Operational strategies Tactics

Question 64

Specially designed woodland apparatus are often mounts on____ or larger chassis, usually featuring all wheel drive.

Answer 64

One ton

Question 65

_______ foams are applied to roofs in two forms. 4x8 sheets or foamed in place.

Answer 65

Urethane isocyanate