Fire Safety Fire Safety Equipment and Alarm Systems 4

Question 1

A photoelectric smoke detector is BEST suited for detecting which type of fire?

Accepted Answer

Slow, smoldering fires that produce heavy smoke

Answer

Photoelectric detectors use a light beam and are most effective at detecting slow, smoldering fires that produce large smoke particles.

Question 2

What does a yellow/amber LED status light typically indicate on a fire alarm control panel?

Accepted Answer

A trouble or supervisory condition exists

Answer

Yellow or amber LEDs on a fire alarm panel indicate a trouble or supervisory condition that needs attention but is not an active fire alarm.

Question 3

Which class of fire extinguisher is REQUIRED near a server room or electrical equipment area?

Accepted Answer

Class C

Answer

Class C extinguishers use non-conductive agents and are required for energized electrical equipment fires.

Question 4

A wet pipe sprinkler system differs from a dry pipe system in that wet pipe systems:

Accepted Answer

Are always pressurized with water ready to discharge

Answer

Wet pipe systems keep water pressurized in the pipes at all times, allowing immediate discharge when a sprinkler head activates.

Question 5

What is the recommended minimum travel distance between fire extinguishers in a commercial building for Class A hazards according to NFPA 10?

Accepted Answer

75 feet

Answer

NFPA 10 requires that Class A extinguishers be placed so no point in the building is more than 75 feet of travel distance from an extinguisher.

Fire Safety Practice Test