204.05 Natural Gas Emergencies Flashcards Preview

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Flashcards in 204.05 Natural Gas Emergencies Deck (11)
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0
Q

Inside buildings, however, it tends to pocket, particularly in attics and dead air spaces. The flammable limits of natural gas are approximately _______%.

A

4–15%

1
Q

Natural gas is much _____ than air and will usually dissipate rapidly in the outside environment.

A

Lighter

2
Q

Burning natural gas should not normally _______; fire should be controlled by ________.

A

Be extinguished

Stopping the flow

3
Q

All personnel working in the vicinity of a known or suspected gas leak shall wear ________.

A

Full protective clothing with SCBA’s

4
Q

Natural gas emergencies, request the dispatch of a _______ and _______.

A

Hazardous incident response team (HIRT)

Utility company

5
Q

Until it can be determined that the area is safe from the danger of explosions, _______ and keep the number of FD personnel in the area to a minimum.

A

Evacuate all civilians

6
Q

Who is responsible for locating and eliminating natural gas leak sources?

A

Gas company

7
Q

If the gas company personnel must evacuate to shut off a leak, provides stand-by protection with what equipment?

A

1 1/2” line

Two firefighters with full PPE and SCBA

8
Q

True or false: In most cases, you can rely on gas odor.

A

False, use combustible gas indicators

9
Q

If gas concentration is encountered inside, adjacent to, or underneath any building, secure all possible sources of ignition in the affected area by cutting the electricity where?

A

Outside the affected area to avoid arcing

10
Q

What type of zone should be established and maintained around any suspected gas leak and Fireline tape should be used to identify it?

A

Limited access zone

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