Firefighter Fire Behavior and Suppression 3

Question 1

The stage of a compartment fire where almost all combustible surfaces ignite simultaneously is called:

Accepted Answer

Flashover

Answer

Flashover is the transition where all exposed combustible surfaces in a room ignite nearly simultaneously.

Question 2

Pyrolysis is best defined as:

Accepted Answer

Chemical decomposition of a material by heat

Answer

Pyrolysis is the thermal decomposition of a material, releasing flammable gases before ignition.

Question 3

Which firefighting tactic involves applying water to the exterior before entering, to reset interior conditions?

Accepted Answer

Transitional attack

Answer

A transitional attack uses a quick exterior application to cool and reset before transitioning to interior operations.

Question 4

What is the ignition temperature of a fuel?

Accepted Answer

Lowest temperature at which it will ignite and sustain combustion

Answer

Ignition temperature is the minimum temperature at which a fuel will ignite and continue to burn.

Question 5

Heat transferred by electromagnetic waves that can ignite exposures across a gap is called:

Accepted Answer

Radiation

Answer

Radiation transfers heat through electromagnetic waves and can ignite nearby exposures without contact.

Firefighter Practice Test