F-02 Fire Extinguisher Use and Classification 1

Question 1

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

Accepted Answer

Class A

Answer

Class B

Answer

Class C

Answer

Class D

Question 2

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

Accepted Answer

Class C

Answer

Class A

Answer

Class B

Answer

Class K

Question 3

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

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Point, Activate, Spray, Stand

Answer

Pull, Activate, Shoot, Sweep

Answer

Position, Aim, Spray, Stop

Question 4

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

Accepted Answer

Cooking oils and animal fats

Answer

Combustible metals

Answer

Flammable gases

Answer

Ordinary paper and cardboard

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

Water

Answer

Wet chemical

Answer

Water mist

Question 6

A fireguard notices a fire extinguisher has a label marked 'ABC.' What does this mean?

Accepted Answer

It is effective on Class A, B, and C fires

Answer

The extinguisher is past its service date

Answer

It can only be used on three specific fires

Answer

It requires special training to operate

Question 7

Which extinguisher type should NEVER be used on a Class D fire involving combustible metals such as magnesium?

Accepted Answer

Both water and standard dry chemical

Answer

Dry powder (Class D rated)

Answer

Water

Answer

CO2 only