Fire Safety Fire Safety Equipment and Alarm Systems 5

Question 1

Which type of fire suppression system is commonly used in commercial kitchen hood systems to suppress grease fires?

Accepted Answer

Wet chemical (Class K) system

Answer

Wet chemical systems using potassium-based agents are specifically designed to suppress high-temperature cooking oil and grease fires.

Question 2

Under NFPA 72, how often must a building's fire alarm system receive a full inspection by a qualified service provider?

Accepted Answer

Annually

Answer

NFPA 72 requires a full inspection and testing of fire alarm systems at least annually by a qualified service provider.

Question 3

A fire sprinkler head is heat-activated. What is the most common activation temperature rating (color-coded orange) for standard office environments?

Accepted Answer

155°F (68°C)

Answer

Orange-bulb sprinkler heads activate at 135°F (57°C) and are standard for typical office and residential occupancies.

Question 4

In the PASS method for using a fire extinguisher, what does the second 'S' stand for?

Accepted Answer

Sweep side to side at the base

Answer

PASS stands for Pull, Aim, Squeeze, Sweep — the final step is to sweep the nozzle side to side at the base of the fire.

Question 5

What is the primary purpose of a fire alarm annunciator panel?

Accepted Answer

To display the location of an alarm or trouble condition within the building

Answer

An annunciator panel shows responders exactly where in a building an alarm or trouble condition has been triggered, speeding response.

Fire Safety Practice Test