Extinguisher Review

What type of portable fire extinguisher is discharged in the form of gas and works on Class B and Class C fires?

• Clean Agent

• Pump-type water

• Carbon Dioxide (CO2)

• Wet- Chemical Stored Pressure

Portable fire extinguishers should be chosen based on the:

• heat of the fire

• type of fuel that is burning

• amount of agent required to extinguish the fire

• distance required between the extinguisher and the fire

An extinguisher with a D rating is designed for use on which type of fire?

• A fire involving flammable liquids
• A fire involving combustible metals
• A fire involving energized electrical equipment
• A fire involving ordinary combustible materials

A fire involving flammable liquids is classified as which type of fire?

• Class B
• Class A
• Class C
• Class D

An extinguisher with a K rating is designed for use on which type of fire?

• A fire involving ordinary combustibles
• A fire involving vegetable oils and fats
• A fire involving energized electrical equipment
• A fire involving combustible metals

Fire extinguishers must be inspected or checked every __ days.

• 60
• 30
• 90
• 180

What class of fire can a water extinguisher be used on?

• B
• E
• F
• A

What is the difference in dry powder and dry chemical?

• Dry powder is meant to be used on metals, dry chemical is not

• Dry chemical is meant to be used on metals, dry powder is not

• They are the same

• Dry powder is made of sodium bicarbonate/monoammonium phosphate and dry chemical is made of Lith-X

What does the rating 10B:C mean on an extinguisher?

• The extinguisher can be used on ordinary combustibles like wood and paper, flammable liquids, and electrical

• The extinguisher is rated for flammable liquids and electrical fires. The 10 represents the weight of the extinguisher

• The extinguisher is rated for flammable liquids and electrical fires. The 10 represents the square footage rating for flammable liquids.

• None of these answers

Which of the following extinguishers does NOT have a pressure gauge?

• Dry Chemical

• CO2

• Water

• All of these have a pressure gauge