Fire Safety Fire Extinguisher Types and Usage 3

Question 1

Which of the following extinguishing agents is most appropriate for a Class D metal fire?

Accepted Answer

Dry sand or dry powder specific to the metal

Answer

Water

Answer

CO2

Answer

Foam

Question 2

After using a fire extinguisher partially, what should you do with it?

Accepted Answer

Have it recharged or replaced immediately

Answer

Return it to the cabinet for future use

Answer

Leave it at the scene for firefighters

Answer

Store it upside down to preserve pressure

Question 3

What is the minimum height above the floor at which a fire extinguisher must be mounted if it weighs over 40 lbs?

Accepted Answer

3.5 feet

Answer

2 feet

Answer

5 feet

Answer

6 feet

Question 4

Which fire class involves fires in cooking appliances using vegetable or animal oils?

Accepted Answer

Class F/K

Answer

Class B

Answer

Class C

Answer

Class A

Question 5

Why should you never use CO2 extinguishers in a confined space without proper ventilation?

Accepted Answer

CO2 displaces oxygen and can cause asphyxiation

Answer

They lose pressure rapidly

Answer

They freeze nearby surfaces causing slip hazards

Answer

They are ineffective in enclosed areas

Question 6

What is the purpose of the tamper seal on a fire extinguisher?

Accepted Answer

To show the extinguisher has not been used or tampered with

Answer

To keep moisture out of the agent

Answer

To hold the nozzle in place during transport

Answer

To indicate the last inspection date