Fire Protection & Life Safety Flashcards

What is the minimum required width for a means of egress corridor serving an occupant load greater than 50 in a business occupancy under IBC?

Answer: 44 inches

IBC requires a minimum corridor width of 44 inches when serving an occupant load greater than 50 persons.

A Class II standpipe system is designed to be used by which of the following?

Answer: Building occupants using 1.5-inch hose stations

Class II standpipe systems provide 1.5-inch hose stations intended for use by building occupants during initial fire attack.

Under NFPA 72, a fire alarm control panel must be located in an area that maintains a temperature between:

Answer: 40°F and 100°F

NFPA 72 requires fire alarm control panels to be installed in areas maintained between 40°F and 100°F to ensure reliable operation.

What type of fire suppression system uses a deluge valve and open sprinkler heads?

Answer: Deluge system

A deluge system uses open sprinkler heads and a deluge valve that opens upon detection, flooding all heads simultaneously.

Which NFPA standard governs the installation of fire doors and other opening protectives?

Answer: NFPA 80

NFPA 80 (Standard for Fire Doors and Other Opening Protectives) governs the installation, inspection, testing, and maintenance of fire doors.

During construction inspection of a sprinkler system, the inspector notices the system has a maximum working pressure of 175 psi. What is the required hydrostatic test pressure?

Answer: 200 psi

Per NFPA 13, sprinkler systems are hydrostatically tested at 200 psi for 2 hours, or 50 psi above maximum working pressure if that exceeds 150 psi.

Exit signs must be illuminated at a minimum of how many foot-candles at the walking surface when externally illuminated?

Answer: 1 foot-candle

IBC and NFPA 101 require exit sign illumination of at least 1 foot-candle measured at the walking surface below the sign.