CPS CPS Firefighter Test Fire Science and Firefighting Principles 2

Question 1

What is the term for the minimum temperature at which a liquid produces enough vapor to ignite momentarily?

Accepted Answer

Flash point

Answer

The flash point is the lowest temperature at which a liquid emits sufficient vapor to form an ignitable mixture with air near its surface.

Question 2

A backdraft occurs when:

Accepted Answer

Oxygen is suddenly introduced into a hot, oxygen-depleted fire environment

Answer

A backdraft is a dangerous explosive event caused by the sudden introduction of fresh oxygen into a superheated, oxygen-starved fire compartment.

Question 3

What does SCBA stand for?

Accepted Answer

Self-Contained Breathing Apparatus

Answer

SCBA stands for Self-Contained Breathing Apparatus, the primary respiratory protection worn by firefighters in hazardous atmospheres.

Question 4

Which fire behavior phenomenon involves superheated unburned gases igniting and rolling across the ceiling?

Accepted Answer

Rollover

Answer

Rollover (also called flameover) occurs when unburned combustible gases accumulating at the ceiling ignite and produce rolling flames overhead.

Question 5

What is the correct order of the three fireground operational priorities?

Accepted Answer

Life safety, incident stabilization, property conservation

Answer

The three priorities of emergency operations are always life safety first, incident stabilization second, and property conservation third.

CPS Firefighter Test Practice Test