CBI Fire Protection & Life Safety Systems

Question 1

According to NFPA 13, what is the minimum water supply duration required for a light hazard sprinkler system?

Accepted Answer

30 minutes

Answer

NFPA 13 requires a minimum 30-minute water supply duration for light hazard occupancies.

Question 2

Which type of sprinkler system is most appropriate for a building where pipes may be subject to freezing temperatures?

Accepted Answer

Dry pipe system

Answer

A dry pipe system keeps the pipes filled with pressurized air rather than water, making it suitable for unheated spaces subject to freezing.

Question 3

Under the International Building Code (IBC), what is the maximum travel distance to an exit in a fully sprinklered business occupancy?

Accepted Answer

300 feet

Answer

The IBC allows a maximum travel distance of 300 feet in sprinklered business occupancies, increased from the 200-foot unsprinklered limit.

Question 4

What is the purpose of a fire department connection (FDC) on a sprinkler system?

Accepted Answer

To allow firefighters to supplement system water supply

Answer

The FDC allows fire department pumper trucks to inject additional water pressure and volume into the sprinkler system during a fire.

Question 5

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

Accepted Answer

NFPA 72

Answer

NFPA 72, the National Fire Alarm and Signaling Code, governs the design, installation, testing, and maintenance of fire alarm systems.

CBI - Certified Building Inspector Practice Test