Fire Safety Fire Prevention and Hazard Identification

Question 1

What is the most common cause of residential house fires in the United States?

Accepted Answer

Cooking

Answer

Cooking is the leading cause of home fires in the US, accounting for nearly half of all residential fires according to the NFPA.

Question 2

What is a 'fire triangle' and why is it important to fire prevention?

Accepted Answer

The three elements — heat, fuel, and oxygen — needed for fire to exist

Answer

The fire triangle represents heat, fuel, and oxygen — removing any one element extinguishes or prevents fire.

Question 3

Which of the following is a common electrical fire hazard in the workplace?

Accepted Answer

Overloading electrical outlets with multiple devices

Answer

Overloaded outlets and power strips draw more current than the wiring can safely handle, generating heat that can ignite surrounding materials.

Question 4

What is 'flash point' as it relates to flammable liquids?

Accepted Answer

The lowest temperature at which a liquid produces enough vapor to ignite

Answer

Flash point is the minimum temperature at which a flammable liquid's vapors will ignite when exposed to an ignition source.

Question 5

What is the purpose of a hot work permit system in industrial settings?

Accepted Answer

To control and document fire risks associated with welding, cutting, and grinding

Answer

Hot work permits require pre-job hazard assessments, fire watches, and documented controls before any spark-producing work begins.

Fire Safety Practice Test