CPS CPS Firefighter Test Fire Science and Firefighting Principles

Question 1

What are the three elements that make up the fire triangle?

Accepted Answer

Oxygen, fuel, and heat

Answer

The fire triangle consists of oxygen, fuel, and heat — removing any one of these three elements will extinguish the fire.

Question 2

Which class of fire involves ordinary combustibles such as wood, paper, and cloth?

Accepted Answer

Class A

Answer

Class A fires involve ordinary combustible solids like wood, paper, cloth, rubber, and most plastics.

Question 3

What is the primary purpose of ventilation during a structure fire?

Accepted Answer

To remove heat, smoke, and toxic gases

Answer

Ventilation removes heat, smoke, and toxic gases to improve visibility and survivability for occupants and interior crews.

Question 4

What does 'flashover' refer to in firefighting?

Accepted Answer

The near-simultaneous ignition of all combustible materials in a room

Answer

Flashover is the near-simultaneous ignition of all exposed combustible materials in an enclosure when radiant heat reaches ignition temperature.

Question 5

What type of heat transfer occurs when heat moves through direct contact within a solid material?

Accepted Answer

Conduction

Answer

Conduction is the transfer of heat through direct molecular contact within or between solid materials.

CPS Firefighter Test Practice Test