Free F01 Fire Classification & Extinguishers Questions and Answers 1

Question 1

A fire involving ordinary combustibles such as wood, paper, and cloth is classified as:

Accepted Answer

Class A

Answer

Class A fires are the most common type and involve solid combustible materials like wood, paper, fabric, and plastics. Water or water-based agents are typically the most effective extinguishing agents for Class A fires.

Question 2

What does the acronym P.A.S.S. stand for in the context of operating a portable fire extinguisher?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

P.A.S.S. is a simple acronym to help remember the four basic steps for using a fire extinguisher. It stands for Pull the pin, Aim the nozzle at the base of the fire, Squeeze the handle, and Sweep the nozzle from side to side.

Question 3

A fire in an electrical panel is considered which class of fire?

Accepted Answer

Class C

Answer

Class C fires involve energized electrical equipment. The primary concern is the danger of electric shock, so a non-conductive extinguishing agent, such as carbon dioxide (CO2) or a dry chemical agent, must be used.

Question 4

Which type of fire extinguisher is specifically designed for fires in commercial kitchens involving cooking oils and fats?

Accepted Answer

Class K extinguisher

Answer

Class K fires involve high-temperature cooking oils, greases, or fats. Class K extinguishers use a wet chemical agent that creates a soapy foam blanket to smother the fire and cool the oils below their ignition temperature.

Question 5

A fire involving flammable liquids like gasoline, oil, or paint is classified as:

Accepted Answer

Class B

Answer

Class B fires involve flammable or combustible liquids, gases, and greases. Extinguishing these fires requires an agent that smothers the fire by cutting off its oxygen supply, such as dry chemical, CO2, or foam.

(F01) NYC Fireguard F01 Certification Practice Test

(F01) NYC Fireguard F01 Certification Practice Test

Free F01 Fire Classification & Extinguishers Questions and Answers 1