ERT ERT Fire Safety & Suppression

Question 1

What are the three elements of the fire triangle that must be present for combustion to occur?

Accepted Answer

Fuel, oxygen, and heat

Answer

The fire triangle requires fuel (combustible material), oxygen (oxidizer), and heat (energy source) — removing any one element will extinguish or prevent fire.

Question 2

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

Accepted Answer

Class A

Answer

Class A fires involve ordinary solid combustibles like wood, paper, cloth, and plastics, and are effectively extinguished with water or dry chemical agents.

Question 3

What type of fire extinguisher is most appropriate for a Class B (flammable liquid) fire?

Accepted Answer

CO2 or dry chemical extinguisher

Answer

CO2 and dry chemical extinguishers smother Class B fires by displacing oxygen or interrupting the chemical chain reaction without spreading the burning liquid.

Question 4

When using a portable fire extinguisher, what does the acronym PASS stand for?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

PASS (Pull the pin, Aim at the base, Squeeze the handle, Sweep side to side) is the standard operating procedure for portable fire extinguisher use.

Question 5

What is the FIRST action an ERT member should take upon discovering a fire in a building?

Accepted Answer

Activate the nearest fire alarm pull station

Answer

Activating the fire alarm immediately alerts all building occupants and automatically notifies the fire department, ensuring rapid evacuation and emergency response.

ERT - Emergency Response Technician Certification Practice Test

ERT - Emergency Response Technician Certification Practice Test

ERT ERT Fire Safety & Suppression