And Correct Answers
True or False: The word "should" indicates a mandatory requirement of an NFPA
standard.
False
True or False: Detectors shall not be recessed into the mounting surface in any
manner unless they have been tested and listed for such mounting.
True
The secondary power supply shall automatically provide power to the protected
premises fire alarm system within ______________ (how long), whenever the
primary power supply fails to provide the minimum voltage required for proper
operation.
A. 10 seconds
B. 60 seconds
C. 90 seconds
D. 3 minutes
A - 10 Seconds
,True or False - Supplementary refers to equipment or operations not required by
NFPA 72 and designated as such by the authority having jurisdiction.
True
A signaling method characterized by the simultaneous or sequential transmission,
or both, and reception of multiple signals in a communications channel including
means for positively identifying each signal is:
A. Dual Control
B. A public switched telephone network
C. Multiplexing
D. Runner Service
C. Multiplexing
If the depth of wall section above the door is 24 inches or less, _________ (how
many) ceiling-mounted or wall-mounted detector(s) shall be required on one side
of the doorway only.
A. One
B. Two
C. Three
, D. None
B. Two
True or False: When smoke door release is accomplished directly from the smoke
detector(s), the detector(s) shall be listed for releasing service.
True
In general, all smoke detectors shall be tested how often?
A. Six month intervals
B. Twelve month intervals
C. Bi-Annually
D. None of the above
B. Twelve month intervals
True or False: Fire alarm signals and trouble signals may have the same tone,
sound or characteristic as long as they are painted different colors.
False