F80 F80 Code Requirements 2

Question 1

Under NFPA 72, what is the maximum spacing allowed between smoke detectors on a smooth ceiling?

Accepted Answer

30 feet

Answer

15 feet

Answer

20 feet

Answer

50 feet

Question 2

Which NFPA standard governs the installation of fire alarm systems in the United States?

Accepted Answer

NFPA 72

Answer

NFPA 13

Answer

NFPA 70

Answer

NFPA 101

Question 3

According to NFPA 72, a fire alarm control unit (FACU) must be listed by a nationally recognized testing laboratory (NRTL) and comply with which standard?

Accepted Answer

UL 864

Answer

UL 268

Answer

UL 521

Answer

UL 217

Question 4

What is the minimum audible alarm level required by NFPA 72 in a sleeping area above the ambient sound level?

Accepted Answer

15 dB

Answer

5 dB

Answer

10 dB

Answer

25 dB

Question 5

How often must a fire alarm system's batteries be replaced per NFPA 72 recommendations to ensure reliability?

Accepted Answer

Every 4 years

Answer

Every 1 year

Answer

Every 2 years

Answer

Every 5 years

Question 6

Under the California Fire Code (CBC/CFC), what height of ceiling requires additional spacing adjustments for smoke detector placement?

Accepted Answer

Greater than 10 feet

Answer

Greater than 8 feet

Answer

Greater than 12 feet

Answer

Greater than 16 feet

Question 7

According to NFPA 72, a notification appliance circuit (NAC) must be capable of operating for how long on secondary (battery) power after a primary power failure?

Accepted Answer

48 hours

Answer

4 hours

Answer

12 hours

Answer

24 hours