TB 5 - Auto Fires

Question 1

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

Answer 1

20

Question 2

Use________ or ________ to prop hood open as this will protect against spring failure.

Answer 2

Hayward
Crowbar

Question 3

Battery - Explosion hazard due to presence of ________ vapors.

Answer 3

Hydrogen

Question 4

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

Answer 4

1970

Question 5

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

Answer 5

Phosgene
Floouride

Question 6

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

Answer 6

Fuel

Question 7

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

Answer 7

A

Question 8

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 petroleum based fluid

Answer 8

150

Question 9

Hydraulic Bumper travel is up to __ inches.

Answer 9

3

Question 10

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

Answer 10

4

Question 11

CAUTION: Too many variables are involved to allow accurate BLEVE predictions. Recorded
BLEVES have occurred within ___ minutes of fire exposure. Ensure safety of personnel and
operations at all times.

Answer 11

10

Question 12

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

Answer 12

30

Question 13

Gasoline flashpoint is ____°

Answer 13

-45

Question 14

Diesel flashpoint is ____°

Answer 14

125°

Question 15

A safe ___’ minimum working area must be established

Answer 15

30

Question 16

The Engine Company Captain will normally assume the role of ______ Officer.

Answer 16

Safety

Question 17

TB 5 Auto Fires:
Unusually high pressure developing from fire conditions may result in the sudden release of the bumper assembly up to ___’ causing serious injury to personnel

Answer 17

25

Question 18

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

Answer 18

Tempered
Safety

Question 19

The effective range of a 20 pound extinguisher is
___ to ___ feet

Answer 19

15 to 20

Question 20

The hazard of a BLEVE is an important consideration when addressing fires in vehicles utilizing __________________________

Answer 20

Liquified Petroleum Gases (LPG)