F80 Fire Safety Systems Flashcards
7 cards from real F80 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 F80 Fire Safety Systems flashcards as text
What is the maximum allowable distance between sprinkler heads in a standard light hazard occupancy per NFPA 13?
Answer: 15 feet
NFPA 13 allows a maximum of 15 feet between sprinkler heads in light hazard occupancies.
Which type of fire detection system continuously monitors the rate of temperature rise in a protected area?
Answer: Rate-of-rise heat detector
Rate-of-rise heat detectors activate when temperature increases faster than a set rate, typically 12–15°F per minute.
Under NFPA 72, what is the minimum audible alarm level required in sleeping areas?
Answer: 75 dB
NFPA 72 requires a minimum of 75 dB at the pillow level in sleeping areas to ensure occupants are awakened.
A dry-pipe sprinkler system is most appropriate for which environment?
Answer: Areas subject to freezing temperatures
Dry-pipe systems use pressurized air or nitrogen instead of water, preventing freezing in cold environments.
What is the primary function of a fire damper in an HVAC system?
Answer: Close automatically to stop fire spread through ductwork
Fire dampers close automatically when a fusible link melts, preventing fire from traveling through HVAC ductwork.
Which class of standpipe system requires that hose and nozzle equipment be provided and maintained by the building owner?
Answer: Class II
Class II standpipe systems are intended for use by building occupants and must include hose, rack, and nozzle.
When testing a fire pump, the pump must deliver 150% of its rated capacity at what minimum percentage of rated pressure?
Answer: 65%
Per NFPA 20, a fire pump must deliver 150% of rated flow at no less than 65% of rated pressure.