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Flashcards in Driver/Operator Terms Deck (87)
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1
Q

Acceptance test

A

Pre-service test performed by the purchasing jurisdiction to in sure that a new fire apparatus performs to all bid specifications and NFPA 1901

2
Q

Alley dock exercise

A

Tests the driver/operator’s ability to move the vehicle backward within a restricted area such as an alley dock, or fire station without hitting the walls and to bring the vehicle to a smooth stop close to the rear wall

3
Q

Application rate

A

Min amount of finished foam that must be applied to a fire per min per square meter (square foot) in order to extinguish the fire

4
Q

Aqueous Film Forming Foam (AFFF)

A

Commonly referred to as “A-Triple F”, this Class B foam is a synthetic compound consisting of hydrocarbon and fluorochemical surfactants, solvents (high boiling point) and water

5
Q

ATC

A

Automatic Traction Control- helps improve traction on slippery roads, by reducing drive wheel over spin

6
Q

Auxiliary cooling devices

A

Devices that function to control the temp of coolant in the apparatus engine during pumping operations

7
Q

Auxiliary engine-driven pump

A

Fire department that are powered by gasoline or diesel engines, which are independent of the engine used to dive the apparatus

8
Q

Average daily consumption

A

Average of the total amount of water used in water distribution system over a period of one year

9
Q

Bank Down Method

A

Technique for applying firefighting foam where the foam stream trickles down onto the surface of the fuel

10
Q

Bleeder valve

A

Valve on a gate intake that allows air from an incoming supply line to be bled off before allowing water into the fire pump

11
Q

Boiling Point

A

Temp at which a liquid absorbs enough heat to change to a vapor

12
Q

Breathing air compressors

A

Engine-driven appliances that take atmospheric air, purify it and compress it

13
Q

CAFS

A

Compressed Air Foam System

14
Q

Cascade systems-

A

Large breathing air cylinders that are connected together in banks

15
Q

Cavitation

A

Condition where water is being discharged from a fire department pumper faster than its coming in

16
Q

Cellar nozzle

A

Specialized nozzle used in basement fires, which is lowered through the floor or through some other suitable opening also known as distributors

17
Q

Centrifugal pump

A

Pump that is classified as a non positive displacement pump that impairs velocity to the water and converts it to pressure within the pump it self

18
Q

Change over

A

Moving the transfer valve on a fire pump from pressure to volume and visa versa

19
Q

Chemical foam

A

Firefighter foam produced by the reaction of two chemicals mixed together. An absolute type of foam that has been widely replaced by mechanical foams

20
Q

Chimney Nozzle

A

Specialized nozzle developed to attack chimney flue fires the nozzle delivers a very fine misty fog come which can put the fire out quickly with out causing damage to the flue liner due to sudden cooling

21
Q

Cisterns

A

Underground water storage receptacles that can be used for firefighting operations and normally found in areas that are not serviced by a hydrant

22
Q

Class A foam

A

Mechanical foam product containing specialty hydrocarbon surfactants to improve drain time and used to extinguish class A fires or used in exposure protection

23
Q

Cold Zone

A

Area outside the warm zone where workers are not required to wear personal protective clothing and is generally considered safe. Also the location of the command post, staging area and triage. Also known as the support zone, green zone

24
Q

Collapse Zone

A

Should be equal to 1 1/2 the height of the building driver/operator manual quotes at least height of the building

25
Q

Combination system

A

Means of moving water that uses a combination of the direct pumping system and gravity system

26
Q

Condensed Q formula

A

Formula that was developed for fire ground operations in which friction loss can be determined for 3, 4, and 5 inches hose

27
Q

Confined space turn around

A

Driving exercise that tests the driver/operator’s ability to turn the vehicle around 180 degrees within a confined space

28
Q

Constant flow nozzle

A

Nozzle that is designed to flow a specific amount of water at a specific nozzle discharge pressure on a small pattern

29
Q

Constant Pressure relay methods

A

Relay pumping method that establishes the max flow available from a particular relay setup by using a constant pressure in the system

30
Q

Contamination Zone

A

Area between the hot zone and clod zone which is considered safe for workers to enter briefly without special protective clothing also known as the warm zone, limited access zone and yellow zone

31
Q

Deck gun

A

Master stream appliance mounted on the fire apparatus deck which is permanently connected to the fire pump via pipe also called turret pipe or deck pipe

32
Q

Deflection

A

As it relates to fog streams- a turning or state of being turned; a turning from a straight line or given course; a bending; a deviation

33
Q

Deluge set

A

Master stream appliance consisting of a short length of large diameter hose with a large nozzle or large play pipe supported at the discharge end by tripod

34
Q

Department of Transportation DOT

A

Federal agency that establishes the basic requirements for licensing drivers

35
Q

Dependable lift

A

Height a column of water may be lifted in sufficient quantity in order to provide a reliable flow rate

36
Q

Diminishing clearance exercise

A

A driving exercise that measure the driver/operator’s ability to steer the apparatus in a straight line to judge distance from wheel to object and to stop at finish line

37
Q

Direct pumping system

A

Method of moving water that utilizes on or more pumps that take water from a primary source and discharge it through a filtration and treatment process, and finally forces eater into a distribution system

38
Q

Distributors

A

Grid arranged of smaller mains serving fire hydrants and blocks of consumers

39
Q

Drafting

A

Process where water is obtained from a static water source and drawn into a fire pump which is positioned above the water surface

40
Q

Flow pressure

A

Forward velocity pressure of water measured at its discharge point

41
Q

Flow meter

A

Device used to measure the flow rate in gallons/min (L/min) that is being discharged from a pumping apparatus

42
Q

Foam proportional

A

Mechanical devices attached to the hose line that introduces measured amounts of foam concentrate into the water stream 2 types of devices are commonly used an educator an injector

43
Q

Foam proportioning

A

Amount of foam concentrate added to water to create a finishes foam usually expressed as a percentage solution such as 0.5% solution, or 5 parts foam concentration to 95 parts water

44
Q

Foam tender

A

Self propelled firefighter apparatus designed specifically to carry large quantities of foam concentrate to an incident site foam tenders carry no water and there fore must attach to an on site water supply (such as hydrant)

45
Q

Forward lay

A

When hose is laid from the water source to the fire

46
Q

Friction loss

A

As it relates to the fire service- that part of the total pressure lost while forcing water through pipe fittings fire hose and adapters

47
Q

Front-mounted pumpers

A

Fire pumps that are mounted between the front bumper and the grill of the apparatus

48
Q

Gravity dump

A

Relying on the earths gravity to dump water from a tender to a portable water holding devices

49
Q

Gravity system

A

Means of moving water source located at a higher elevation that the distribution system in which it is servicing

50
Q

Ground reservoirs

A

Man made impoundments used for drafting operations, that have the same characteristics of a pond or small lake

51
Q

Hand method

A

Technique used by driver/operator over the years to determine FL in 2 1/2 hose utilizing finger counting

52
Q

Head

A

Height of a water supply above the discharge orifice

53
Q

High pressure

A

Fog nozzles-operate at pressure up to 800 psi

54
Q

Hydraulic calculations

A

Units that are either manual mechanical or electronic that calculate FL in a variety of hose lay

55
Q

Hydrostatic test

A

Manufacturer’s test of a new fire apparatus to determine if the pump system can tolerate the pressure and service demands encounter during fire fighting field conditions

56
Q

Impinge

A

Strike or dash about or against; clashing with a sharp collision to come together with force

57
Q

Induction

A

Process of foam proportioning in which the pressure of a water stream siphons (inducts) foam concentrate into the fire hose stream

58
Q

Intake pressure relief valve

A

Valves which are intended to reduce the possibility of damaging a fire pump and/or discharge hose line in the event of a water hammer when valves are closed too quickly or intake pressure rise dramatically

59
Q

Dry foam

A

Class A foam mixture containing low water and high air content enabling the foam to adhere to surfaces for exposure protection

60
Q

Dry hydrant

A

Onshore connection consisting of a length of pipe equipped with a strainer that extends into water supply source

61
Q

Dual pumping

A

When a strong hydrant is used to supply 2 pumpers which allows shorter hose lays and utilization of available water

62
Q

Dump site

A

Area of a water shuttle operation which is located near the emergency where water tenders can dump their water supply into portable water tanks to be accessible by attack pumper

63
Q

Dump valve

A

Large tank discharge mounted on a pumper or tender that allows the water tank to be emptied quickly

64
Q

Eductor, in-line

A

Device attached to a fire hose that siphons foam concentrate from a container and mixes it with the water stream to create a foam solution

65
Q

Elevated master stream

A

Large capacity nozzles that are designed to be mounted at the end of fire department aerial apparatus thus elevating the stream

66
Q

Elevation pressure

A

Loss or gain of pressure with a hose line due to the change in elevation between the nozzle and the fire pump

67
Q

Fill site

A

Water source of a water shuttle operation

68
Q

Junction box

A

A unit that allows several electrical devices to be supplied by one main power cord from an electrical source

69
Q

Ladder pipe

A

Master stream device used in conjunction with fire department aerial ladders

70
Q

Lantern ring

A

Spacer supplied with a fire pump packing to provide cooling and lubrication

71
Q

Latent heat of vaporization

A

Quantity of heat absorbed by a substance when it changes from a liquid to a vapor

72
Q

Level I staging

A

Type of staging used during an emergency response 2 companies performing like function are dispatched involves the first due-company to proceed directly to the scene and the other to stage at least one block away from the scene

73
Q

Level II staging

A

Staging procedure that is executed when numerous emergency vehicles are dispatched to a scene in which additional units are sent to a staffing area established by the IC

74
Q

Master stream

A

Any fire stream that is too large to be controlled without mechanical aid

75
Q

Maximum daily consumption

A

Max total amount of water that is used in a water distribution system during a 24 hour period within a three year period

76
Q

Maximum distance relay method

A

Relay pumping method that involves flowing a predetermined volume of water for a max distance that can be pumped through a particular hose lay

77
Q

Maximum lift

A

Max height to which any amount of water can be raised through hard intake hose to a fire pump

78
Q

Mechanical foam

A

Firefighting foam produced by the mixing of foam concentrate with water and then aerated (mixed with air)

79
Q

Midipumper

A

Quick attack pumpers, designed to handle small fires that do not require the water capacity or the personnel needed for a larger pumper normally have pump capacity of 1000gpm

80
Q

Midship pump

A

Fire pump which is mounted in the center of a fire apparatus

81
Q

Minipumper

A

Small quick-attack pumpers designed to handle small fires that do not require the water capacity or the personnel needed for a larger pumper most have pumps with the capacity of no larger than 500gpm

82
Q

Monitor

A

Master stream appliance in which the stream can be changed while water is being discharged monitors can be mixed, portable or combination

83
Q

Natural static water supply sources

A

Natural bodies of water such as lakes, ponds, streams, rivers and oceans that can be used to draft water into a fire pump for firefighting operations

84
Q

Net pump discharge pressure

A

Pump discharge pressure adjusted for the effects of altitude and intake hose and pump system FL

85
Q

Normal operating pressure

A

Amount of water pressure that exists in a water distribution system during periods of normal consumption demand

86
Q

Nurse tanker

A

Larger tender or tanker stayed at a fire scene, which serves as a portable reservoir during a water shuttle operation also known as nurse tender

87
Q

Opticom system

A

Common system for controlling traffic lights, that involves the use of special strobe lights, that involve the use of special strobe lights, called emitters, on the fire apparatus that activates sensors on the traffic lights