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

Heat, smoke, and fuel

Answer

Carbon dioxide, water, and heat

Answer

Nitrogen, oxygen, and flame

Question 2

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

Accepted Answer

Class A

Answer

Class B

Answer

Class C

Answer

Class D

Question 3

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

Accepted Answer

To remove heat, smoke, and toxic gases

Answer

To increase the fire's intensity for faster suppression

Answer

To add fresh oxygen so firefighters can breathe without SCBA

Answer

To cool the exterior walls of the building

Question 4

What does 'flashover' refer to in firefighting?

Accepted Answer

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

Answer

When a fire extinguisher's safety pin is removed

Answer

A brief brightening of flames at peak combustion

Answer

The reflection of fire light off a wet surface

Question 5

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

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Combustion

Question 6

Which class of fire involves flammable liquids such as gasoline and oil?

Accepted Answer

Class B

Answer

Class A

Answer

Class C

Answer

Class K