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Engineer Written > TB 005 - Automobile Fires and Associated Hazards > Flashcards

TB 005 - Automobile Fires and Associated Hazards Flashcards

1
Q

Approximately _____% of the Department’s fire responses involve motor vehicles.

A

20%

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2
Q

What are considerations to be included in proper size-up and implementation of tactics?

A
  • Apparatus Placement
  • Vehicle Involvement
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3
Q

By placing apparatus uphill it _____

A
  • Avoids accidental contact with hazardous/flammable liquids and vapors.
  • Facilitates advancing lines and equipment.
  • Provides protection against runaway vehicles.
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4
Q

By placing apparatus upwind it _____

A
  • Affords protection from hazardous vapors
  • Reduces smoke in the work area.
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5
Q

What are the five considerations of Apparatus Placement

A
  • Uphill
  • Upwind
  • Personnel Protection
  • Warning Devices
  • Water Supply
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6
Q

How can the apparatus be used for personnel protection?

A
  • To shield the work area from traffic hazards.
  • Improves equipment access.
  • Creates a safe work area taking into consideration the potential for fuel tank rupture.
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7
Q

Types of Warning Devices

A
  • Cones for safety
  • Apparatus warning lights
  • Apparatus lights to illuminate work area
  • Judicious use of flares avoiding accidental involvement as ignition source
  • CAUTION: CHP indicates use of excessive warning lights may cause focus fixation, particularly in drunk drivers
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8
Q

If the water carried on the responding apparatus will not be sufficient, What are other possible sources of a water supply?

A
  • Additional apparatus
  • Hydrants
  • Pools
  • Reservoirs
  • Water tank trucks
  • Aerial ladder utilized to improvise a standpipe
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9
Q

What are the four areas of vehicle Involvement

A
  • Engine Compartment
  • Passenger Area
  • Truck/Cargo Area
  • Vehicle Exterior
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10
Q

Where might engine compartment release levers be located?

A
  • Interior release
  • Grill area
  • Near front bumper
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11
Q

What tool(s) should be used to prop hood open and why?

A
  • Hayward / Crowbar
  • To protect against spring failure
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12
Q

Batteries create an explosion hazard due to presence of _____ vapors

A

Hydrogen

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13
Q

When safe, always disconnect battery ______ cable first.

A

Ground

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14
Q

ALWAYS WEAR __________, IF NOT WEARING SCBA FACE PIECE, WHEN WORKING IN ENGINE COMPARTMENT.

A

Safety Goggles

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15
Q

How can the ground cable be identified?

A

The ground cable is the one attached to the vehicle body/frame

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16
Q

Avoid contact with ______ _____.

A

Battery Acid

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17
Q

Control of emissions from evaporation of fuel has been required in car models since _____

A

1970

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18
Q

The ______ in the canister absorbs the vapors and stores them

A

Carbon

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19
Q

Fuel vapors which would otherwise escape to the atmosphere are directed to a _____ ______.

A

Vapor Canister

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20
Q

This canister is most often located in the _____, _______ portion of the engine compartment, but in some cases, may be located in one of the _____ _____ _____.

A
  1. Lower, forward
  2. Front wheel wells
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21
Q

The _____ ________ is an exhaust emission control device located in the vehicle exhaust system just ahead of the muffler.

A

Catalytic converter

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22
Q

The converter uses _______ to chemically convert undesirable exhaust emissions into less harmful emissions.

A

Catalysts

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23
Q

Catalytic converters can achieve temperatures high enough to ignite ______ ___________ that it may contact.

A

Ordinary combustibles

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24
Q

Freon gas used in air conditioners is under pressure and may emit the toxic gases _______ and _______ if heated to the point of decomposition.

A

phosgene and fluoride

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25
Q

Electric fans are controlled by a _________ and activate at ___________ engine temperatures

A
  1. thermostat
  2. predetermined
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26
Q

______ must be exercised to avoid injury due to the unexpected activation of the cooling fan.

A

Caution

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27
Q

____ _______ ________ is a leading cause of fires in the engine compartment

A

Fuel system malfunction

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28
Q

How can one accomplish eliminating a fuel source in an automotive?

A

Crimping the fuel line and/or deactivating the fuel pump

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29
Q

______ and _______ ______ are used in numerous engine components.

A

Plastic and combustible metals

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30
Q

For fires involving dash instrumentation, disconnect the electrical power and treat as a _____ fire.

A
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31
Q

The interior passenger area is more a contributing factor to the ________ and a ______ rather than an ignition factor.

A
  • Spread of fire
  • Source of toxic smoke
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32
Q

Fires involving upholstery areas require ______ overhaul.

A
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33
Q

Fires involving upholstery areas require ______ overhaul.

A
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34
Q

Breathing apparatus ______ be used when ventilation is inadequate or impractical.

A

shall

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35
Q

When trunk/cargo area springs, inert gas piston cylinders, extending arms are exposed to heat, ______ or ______ of these devices should be expected

A

failure or rupture

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36
Q

Ensure ______ _______ by allowing adequate clearance when releasing truck latch mechanisms.

A

personal safety

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37
Q

Entry to trunk/cargo area may be by a _____/_____ mechanism or by an _____ ______ ______ similar to hood release mechanisms.

A
  • Lock/key
  • interior cable release
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38
Q

Fires and incidents involving the trunk/cargo area are usually related to ________ carried therein.

A

materials

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39
Q

firefighters must exercise extreme caution when addressing _____/_____ area incidents.

A

trunk/cargo

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40
Q

Storage area contents may involve _____, _______, _______ or other hazardous materials.

A

toxic, flammable, corrosive

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41
Q

Hydraulic energy absorbing bumpers have _____ chambers

A

Two

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42
Q

Hydraulic energy absorbing bumpers consist of one gas chamber filled with a mixture of inert, non-flammable _______/______ gas pressurized to ____ and a hydraulic fluid chamber which is filled with a _______ based fluid.

A
  • Nitrogen/Helium
  • 150 PSI
  • Petroleum
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43
Q

What are the two hydraulic energy absorbing bumper chamber’s separated by?

A

A floating piston

44
Q

Hydraulic energy absorbing bumpers travel up to _____ inches

A

Three

45
Q

What type of energy absorbing bumpers employ a heavy Spring to absorb impact?

A

Mechanical

46
Q

Mechanical energy absorbing bumpers travel up to _____ inches

A

Four

47
Q

The two type of energy absorbing bumpers are ______ and _______

A

Hydraulic and Mechanical

48
Q

The two type of energy absorbing bumpers are ______ and _______

A

Hydraulic and Mechanical

49
Q

Avoid the use of a ______ ______ on hydraulic units to preclude possible ignition and injury.

A

Cutting Torch

50
Q

Unusually high pressure developing from fire conditions may result in the sudden release of the bumper assembly causing ______ _______ to personnel.

A

serious injury

51
Q

At an incident in the valley, a bumper assembly traveled a distance of ____ feet

A

25 feet

52
Q

CAUTION: The safe deployment of ______ and _______ must allow for the possible release of vehicle bumper assemblies.

A

apparatus and personnel

53
Q

_________ _________and/or __________ are the usual causes of tire fires.

A

Overheated brakes and/or underinflation

54
Q

a _____ fire can extend into the cargo, passenger, and engine compartments.

A

tire

54
Q

a _____ fire can extend into the cargo, passenger, and engine compartments.

A

tire

55
Q

____ _______ of water are required for cooling and extinguishment.

A

Large quantities

56
Q

Tire fires may involve _______ _________ components

A

combustible metal

57
Q

Tire fires may involve _______ _________ components

A

combustible metal

58
Q

CAUTION: Tires exposed to fire may ______ causing vehicle to drop suddenly.

A

explode

59
Q

In many auto incidents it becomes necessary to break window glass. This can be accomplished by striking the glass in a _______.

A

corner

60
Q

Beware of ______ glass as it has the ability to camouflage a smoke filled vehicle.

A

tinted

61
Q

Most auto glass is _______ and will break out in small chips. The exception is the front windshield, which should be _____ _______

A
  • tempered
  • safety glass
62
Q

What are the two types of material fuel tanks are made of?

A
  • Metal
  • Plastic
63
Q

Metal fuel tanks are made of _____ _____ with crimped and welded seams

A

sheet metal

64
Q

Plastic fuel tanks are made of high-density _________ or similar material.

A

polyethylene

65
Q

Gasoline vent lines have ______ hose connecting them to tank.

A

neoprene

66
Q

The ______/______ relief valve in most caps has a plastic disc which, if melted from heat, could cause valve malfunction by plugging the vent.

A

pressure/vacuum

66
Q

The ______/______ relief valve in most caps has a plastic disc which, if melted from heat, could cause valve malfunction by plugging the vent.

A

pressure/vacuum

67
Q

Removing the gas cap from a fuel tank, under heat and pressure conditions, could result in a _____ or ________

A

reflash or explosion

68
Q

The most severe casualties, in terms of loss of life and property, occur from fires following ___ ____ collisions.

A

rear end

69
Q

Gasoline has a flash point of ___ degrees fahrenheit

A

-45 degrees fahrenheit

70
Q

Gasoline has a Specific Gravity of _____

A

0.8

71
Q

Gasoline is not _____ ______

A

water soluble

72
Q

Diesel #2 has a flash point of ___ degrees fahrenheit

A

125 degrees fahrenheit

73
Q

Diesel #2 has a Specific Gravity of _____

A

1.0

74
Q

Diesel #2 is not _____ ______

A

Water Soluble

75
Q

If appropriate, _______ should be initiated to prevent fuel from entering drainage system.

A

containment

76
Q

Containment methods may utilize ______, _______, _____ etc. Large spills may require additional assistance obtained through ____.

A
  • sawdust, sand, plastic.
  • MFC
77
Q

Small spills can be eliminated utilizing ____, ______.

A

sand, sawdust

78
Q

Contact MFC to request response of ____ ______ ______ or ______ ________ for proper spill disposal.

A

City Street Maintenance or appropriate agency

79
Q

______ wash fuel spills into storm drains

A

NEVER

80
Q

______ wash fuel spills into storm drains

A

NEVER

81
Q

If fuel has already entered the drainage system, attempt to dilute the product by flushing with ______ amounts of water.

A

copious

81
Q

If fuel has already entered the drainage system, attempt to dilute the product by flushing with ______ amounts of water.

A

copious

82
Q

Notify ____ if fuel has entered the drainage system

A

MFC

83
Q

Working within _____ feet of any vehicle fire constitutes working in an IDLH

A

30 feet

84
Q

Any member working within the IDLH of any vehicle fire prior to extinguishment or before being determined to be safe by the IC shall be ___ _______.

A

fully encapsulated

84
Q

Any member working within the IDLH of any vehicle fire prior to extinguishment or before being determined to be safe by the IC shall be ___ _______.

A

fully encapsulated

85
Q

_______ _________ should consider establishing a water supply or calling for an additional engine company

A

Incident Commanders

85
Q

_______ _________ should consider establishing a water supply or calling for an additional engine company

A

Incident Commanders

86
Q

Standard operating procedure involves the minimum deployment of a ___________ for fire suppression and a ______________ for personnel protection.

A
  • 1-1/2” hose line
  • dry chemical extinguisher
87
Q

position dry chemical extinguisher on ______ side of vehicle.

A

windward

88
Q

position dry chemical extinguisher on ______ side of vehicle.

A

windward

89
Q

The effective range of a 20 pound extinguisher is ____ to ____ feet.

A

15 to 20 feet

90
Q

Explosion resulting from the introduction of oxygen into a confined space/area that is both pressurized with heated flammable gases and deficient in oxygen is known as _______

A

Backdraft

91
Q

Sudden ignition of combustible gases and/or combustible surfaces in an involved area resulting in a Sudden and intense rise in temperature is known as _______

A

Flashover

92
Q

Cooling the ___ ___ is an advisable safety precaution if fire impingement on the tank is suspected

A

fuel tank

93
Q

The hazard of a _____ is an important consideration when addressing fires in vehicles utilizing Liquified Petroleum Gases (LPG).

A

BLEVE

93
Q

The hazard of a _____ is an important consideration when addressing fires in vehicles utilizing Liquified Petroleum Gases (LPG).

A

BLEVE

94
Q

The LPG storage cylinder is usually found on the ______ of the vehicle on either side or the rear.

A

exterior

95
Q

Recorded BLEVES have occurred within ____ minutes of fire exposure.

A

10 minutes

95
Q

Recorded BLEVES have occurred within ____ minutes of fire exposure.

A

10 minutes

96
Q

__________ shall be utilized whenever the presence of toxic gases is suspected.

A

Self-contained breathing apparatus

97
Q

The first arriving ______/________ must control operations maintaining safety for personnel and victims at all times.

A

fire company/rescue ambulance

98
Q

During vehicle extrication the ______ _______ ______ will normally assume the role of Safety Officer.

A

Engine Company Captain

Engineer Written (33 decks)

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