F89 Fire Protection Systems 5

Question 1

Under NFPA 72, how often must an audible notification appliance (horn/strobe) be tested in a high-rise building?

Accepted Answer

Annually

Answer

NFPA 72 requires annual testing of notification appliances to verify proper operation.

Question 2

A Class I standpipe system is designed to be used by:

Accepted Answer

Trained fire department personnel only

Answer

Class I standpipes provide 2.5-inch hose connections for trained fire department use only.

Question 3

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

Accepted Answer

To supplement water supply to the system from fire apparatus

Answer

The FDC allows fire department pumpers to boost or supplement water pressure and flow to the building's fire protection system.

Question 4

In a high-rise building, a smoke control system using pressurization is intended to:

Accepted Answer

Keep stairwells and elevator shafts free of smoke

Answer

Stairwell and elevator pressurization maintains positive pressure to prevent smoke infiltration, protecting egress paths.

Question 5

Which sprinkler head type responds fastest in a fire scenario?

Accepted Answer

Quick response (QR) head

Answer

Quick response heads have a Response Time Index (RTI) of 50 m½·s½ or less, activating faster than standard heads.

F89 - Fire and Life Safety Director Practice Test