NFPA NFPA 72 Fire Alarm Systems

Question 1

Under NFPA 72, what is the maximum allowable sound level for a public mode audible alarm signal in a sleeping area?

Accepted Answer

75 dB(A)

Answer

55 dB(A)

Answer

70 dB(A)

Answer

110 dB(A)

Question 2

According to NFPA 72, what is the maximum spacing for heat detectors with a listed spacing of 50 feet in a smooth ceiling room?

Accepted Answer

50 feet

Answer

30 feet

Answer

70 feet

Answer

100 feet

Question 3

Under NFPA 72, which initiating device is classified as a spot-type smoke detector?

Accepted Answer

Ionization smoke detector

Answer

Linear beam detector

Answer

Duct smoke detector

Answer

Air sampling detector

Question 4

According to NFPA 72, what is the maximum allowable supervisory signal response time from the control unit to the supervising station?

Accepted Answer

5 minutes

Answer

30 seconds

Answer

60 seconds

Answer

90 seconds

Question 5

Under NFPA 72, what minimum standby battery capacity is required for a fire alarm control unit?

Accepted Answer

24 hours standby + 5 minutes alarm

Answer

4 hours alarm + 4 hours standby

Answer

4 hours standby + 15 minutes alarm

Answer

60 minutes alarm only

Question 6

According to NFPA 72, where must a remote annunciator panel be located?

Accepted Answer

At a location approved by the authority having jurisdiction

Answer

At the main electrical panel

Answer

Adjacent to the main fire alarm control unit

Answer

In the mechanical room