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

Fuel, nitrogen, and spark

Answer

Carbon, oxygen, and pressure

Answer

Hydrogen, oxygen, and ignition

Question 2

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

Accepted Answer

Class A

Answer

Class B

Answer

Class C

Answer

Class D

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

Water extinguisher

Answer

Class D dry powder extinguisher

Answer

Wet chemical extinguisher

Question 4

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

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Point, Activate, Spray, Secure

Answer

Pull, Aim, Spray, Stabilize

Answer

Prepare, Aim, Squeeze, Spray

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

Attempt to extinguish the fire immediately

Answer

Evacuate all personnel without alarming others

Answer

Contact the facility manager

Question 6

Which of the following best describes a 'flashover' in a structure fire?

Accepted Answer

Simultaneous ignition of all combustible materials in a compartment

Answer

Rapid spread of flame across a liquid surface

Answer

Backdraft caused by sudden oxygen introduction

Answer

Ignition of fire gases at the ceiling layer