NFPA 25 Water-Based Fire Protection Inspection Flashcards
6 cards from real NFPA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 NFPA 25 Water-Based Fire Protection Inspection flashcards as text
Under NFPA 25, what is the required inspection frequency for internal inspection of steel dry pipe and preaction system piping?
Answer: Every 5 years
NFPA 25 requires an internal inspection of dry pipe and preaction system piping every 5 years to check for obstructions.
According to NFPA 25, what condition requires replacement of a sprinkler head without testing?
Answer: Sprinkler is more than 50 years old in a wet system
NFPA 25 requires that sprinklers 50 years or older in wet systems be replaced or sample-tested; replacement is required if they fail testing.
Under NFPA 25, which condition during a hydrostatic test would require the system to fail?
Answer: Pressure drops more than 10 psi in 2 hours
NFPA 25 specifies that a hydrostatic test fails if pressure drops more than 10 psi during the 2-hour test period.
According to NFPA 25, what must be done after any sprinkler system work that requires draining the system?
Answer: Perform a main drain test and restore the system to service
NFPA 25 requires that after any system maintenance requiring draining, a main drain test be performed and the system fully restored to service.
Under NFPA 25, how often must the internal condition of wet pipe system piping be inspected in areas with a history of microbiologically influenced corrosion (MIC)?
Answer: Annually
NFPA 25 requires annual internal inspections of wet pipe systems in environments with a history of MIC contamination.
According to NFPA 25, which valve must be tested by partially closing it and verifying the waterflow alarm activates?
Answer: Control valve tamper switch
NFPA 25 requires the control valve supervisory (tamper) switch to be tested by partially closing the valve and verifying the supervisory alarm is received.