F-02 Fire Extinguisher Use and Classification

Question 1

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

Accepted Answer

Class A

Answer

Class A fires involve ordinary combustibles like wood, paper, cloth, and plastics, which are the most common fire type in assembly occupancies.

Question 2

What class of fire extinguisher is required for use on energized electrical equipment?

Accepted Answer

Class C

Answer

Class C extinguishers use non-conductive agents (such as CO2 or dry chemical) safe for use on energized electrical fires without risk of electrocution.

Question 3

What does the acronym PASS stand for when operating a portable fire extinguisher?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

PASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep side to side — the correct procedure for using any portable extinguisher.

Question 4

Class K fire extinguishers are specifically designed to combat fires involving which materials?

Accepted Answer

Cooking oils and animal fats

Answer

Class K extinguishers use wet chemical agents designed for high-temperature cooking oil and animal fat fires typically found in commercial kitchens.

Question 5

Which type of fire extinguisher agent is most effective for Class B fires involving flammable liquids such as gasoline?

Accepted Answer

CO2 or dry chemical

Answer

CO2 and dry chemical extinguishers are rated for Class B fires because they smother or interrupt the chemical chain reaction without spreading the burning liquid.

(F-02) Fireguard Practice Test Practice Test

(F-02) Fireguard Practice Test Practice Test

F-02 Fire Extinguisher Use and Classification