CBI Fire Protection & Life Safety Systems 3

Question 1

According to NFPA 72, how often must a building's smoke detectors be tested in a commercial occupancy?

Accepted Answer

Annually

Answer

NFPA 72 requires that smoke detectors in commercial occupancies be functionally tested at least annually.

Question 2

Which type of smoke detector is most suitable for detecting slow, smoldering fires?

Accepted Answer

Photoelectric detector

Answer

Photoelectric detectors use a light beam and sensor to detect the larger particles produced by slow, smoldering fires more effectively than ionization types.

Question 3

What is the primary purpose of an emergency lighting system in a building?

Accepted Answer

To ensure illumination of egress paths during power failure

Answer

Emergency lighting systems are designed to automatically activate and illuminate means of egress when normal power fails, ensuring occupants can safely evacuate.

Question 4

According to the IBC, what fire-resistance rating is required for a fire door in a 2-hour rated fire barrier?

Accepted Answer

90 minutes

Answer

Fire doors in 2-hour rated fire barriers must have a minimum 90-minute fire-resistance rating per the IBC.

Question 5

What does the term 'occupant load' refer to in building inspection and code compliance?

Accepted Answer

The number of persons for which a space is designed

Answer

Occupant load is the number of persons for which egress, fire protection, and other life safety features of a building or space are designed.

CBI - Certified Building Inspector Practice Test

CBI - Certified Building Inspector Practice Test

CBI Fire Protection & Life Safety Systems 3