Inspection and Testing Procedures Flashcards

According to NFPA 72, how often must the sensitivity of smoke detectors be tested?

Answer: Within 1 year of installation and every alternate year thereafter

NFPA 72 requires smoke detector sensitivity testing within 1 year of installation and then every other year after that.

When testing a heat detector using a listed heat source, the technician must ensure the test device is held at least how far from the detector?

Answer: 6 inches

Test heat sources must be held at least 6 inches away from the detector to prevent damage and ensure accurate simulation.

Which document must be completed and provided to the building owner after each inspection and test of a fire alarm system?

Answer: Record of completion (NFPA 72 Figure 7.8.2)

NFPA 72 Figure 7.8.2 (Record of Completion/Inspection and Testing) must be filled out and provided to the owner after every inspection.

A visual inspection of a manual pull station should verify that the station is located no higher than how many inches above the finished floor?

Answer: 60 inches

NFPA 72 requires manual pull stations to be mounted between 42 and 60 inches above the finished floor.

What type of test verifies that audible notification appliances produce the required sound pressure levels throughout a facility?

Answer: Sound level measurement test

A sound level measurement test uses a calibrated sound level meter to confirm notification appliances meet minimum dB levels per NFPA 72.

During an annual inspection, what action should be taken if a duct smoke detector's sampling tube is found to be partially obstructed?

Answer: Clean or replace the sampling tube and retest the detector

Obstructed sampling tubes impair airflow and detection; they must be cleaned or replaced and the detector retested before returning it to service.

According to NFPA 72, the maximum allowable response time for a fire alarm signal to be received at a supervising station after initiation is:

Answer: 60 seconds

NFPA 72 requires that a supervisory or alarm signal be received at the supervising station within 60 seconds of being initiated.