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Training Bulletins > TRAINING BULLETIN # 005 AUTOMOBILE FIRES AND ASSOCIATED HAZARDS > Flashcards

TRAINING BULLETIN # 005 AUTOMOBILE FIRES AND ASSOCIATED HAZARDS Flashcards

1
Q

Approximately ____% of the Department’s fire responses involve motorvehicles.

A

20%

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2
Q

Apparatus Placement
1. ______ - Avoids accidental contact with hazardous/flammable liquids and vapors. Facilitates advancing lines and equipment. Provides protection against runaway vehicles.

A

Uphill

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3
Q

Apparatus placement

  1. ______ - Affords protection from hazardous vapors and reduces smoke in the work area.
A

Upwind

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4
Q

Apparatus placement

____________ ____________ - Apparatus can be utilized 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.

A

Personnel protection

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5
Q

Apparatus placement

Warning Devices - Utilization of _______ for safety. Use of apparatus warning lights adhering to Department policy.

A

Cones

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6
Q

CAUTION: California Highway Patrol research has indicated that the use of excessive warning lights may cause ________ _________, particularly in drunk drivers.

A

Focus fixation

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7
Q

Water supply.possible additional sources include

A

Additional apparatus
Aerial ladder for improvised standpipe
Water tank trucks
Hydrants
Pools
Reservoirs

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8
Q

Vehicle involvement
Engine compartment access

If the interior release (usually made of plastic) is destroyed by fire, search the general fire wall area under the __________ for a bare cable.

A

Dashboard

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9
Q

Vehicle involvement engine compartment access

Other release levers may be located in ______ area, near front______, etc. Many late model vehicles have plastic grills that can easily be removed allowing faster location of release mechanisms.

A

Grill area
Front bumper

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10
Q

Use __________ crowbar to prop hood open as this will protect against spring failure

A

Hayward

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11
Q

Battery - Explosion hazard due to presence of ________ vapors

A

Hydrogen vapors

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12
Q

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

A

Safety goggles

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13
Q

When safe, always disconnect battery _______ cable first.

A

Ground

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14
Q

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

A

1970s

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15
Q

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

A

Vapor canister

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16
Q

The ______ in the canister absorbs the vapors and stores them

A

Carbon

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17
Q

Vapor canister is most often located in the lower, forward portion of the engine compartment, but in some cases, may be located in one of the __________ __________ _______.

A

Front wheel Wells

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18
Q

An exhaust emission control device located in the vehicle exhaust system just ahead of the muffler.

A

Catalytic converter

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19
Q

______ gas used in air conditioners is under pressure and may emit the toxic gases_______ and _________ if heated to the point of decomposition.

A

Freon
Phosgene and fluoride

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20
Q

Many late model vehicles employ ________ ________assist in engine cooling.

A

Electric fans

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21
Q

_______ system malfunction is a leading cause of fires in the engine compartment

A

Fuel system

22
Q

Fuel related problems

In order to extinguish the resultant fire, the fuel source must be eliminated. This can be accomplished by _______ the fuel line and/or deactivating the ______ ______.

A

Crimping
Fuel pump

23
Q

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

A

Class A fires

24
Q

___________ components provide an abundant fire load

A

Upholstery

25
Q

Trunk/hatch hold open devices may employ, alone or in combination, any of the following:

A

Springs, inert gas pistons, extending arms, etc

26
Q

Energy absorbing bumpers

Hydraulic - Consists of a gas chamber filled with a mixture of inert, non-flammable nitrogen/helium gas pressurized to _____ PSI and a hydraulic fluid chamber which is filled with a ________ based fluid. These two chambers are separated by a floating piston. Bumper travel is up to ______ inches.

A

150psi
Petroleum based fluid
3 inches

27
Q

Energy absorbing bumpers

Mechanical - Employs a heavy spring to absorb impact. These units travel up to

A

4 inches

28
Q

Hazards - A jammed bumper suddenly returning to original position. Avoid the use of a ________ ________ on hydraulic units to preclude possible ignition and injury.

A

Cutting torch

29
Q

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

A

25 feet

30
Q

CAUTION: The safe deployment of apparatus and personnel must allow for the possible release of

A

Vehicle bumper assemblies

31
Q

Overheated ______ and/or __________ are the usual causes of tire fires.

A

Brakes
Under inflation

32
Q

In many auto incidents it becomes necessary to break

A

Window glass

33
Q

Most auto glass is tempered and will break out in small chips. The exception is the

A

Front windshield which is safety glass

34
Q

Fuel tanks
Metal- sheet metal with ________ and ________ seams

A

Crimped and welded

35
Q

Fuel tanks
Plastic- molded high-density ___________ or similar material

A

Polyethylene

36
Q

is integral with metal tanks and has a soldered joint on most models.

A

Fill pipe

37
Q

Gasoline vent lines have _____— hose connecting them to tank.

A

Neoprene

38
Q

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

A

Reflash or explosion

39
Q

GASOLINE: Flash point:

A

-45

40
Q

Gasoline
Specific Gravity:

A

0.8

41
Q

Gasoline water soluble?

A

No

42
Q

Diesel #2
Flash Point:

Specific Gravity Less than

Water Soluble:

A

125 degrees
1.0
No

43
Q

Small spills can be eliminated utilizing sand, sawdust, etc. for

A

Absorption

44
Q

NEVER wash fuel spills into

A

Storm drains

45
Q

When possible, position dry chemical extinguisher on ________ side of vehicle. The effective range of a 20 pound extinguisher is

A

Windward
15-20 feet

46
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.

A

Backdraft

47
Q

Sudden ignition of combustible gases and/or combustible surfaces in an involved area resulting in a Sudden and intense rise in temperature.

A

Flashover

48
Q

BLEVE Stands for

A

Boiling liquid expanding vapor explosion

49
Q

The LPG storage cylinder is usually found on the exterior of the vehicle on _______ side or the ______. The storage tank may be found in the vehicle ________ if properly sealed and separated from passenger compartment.

A

Either side or the rear
Interior

50
Q

Recorded BLEVES have occurred within ___minutes of fire exposure. Ensure safety of personnel and operations at all times.

A

10 mins

51
Q

LPG is heavier than

A

AIR

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