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NICET Inspection and Testing of Fire Alarm Systems Level I Exam Sample Questions (Q43-Q48):

NEW QUESTION # 43
Notification appliances in a fire alarm system produce a distinctive evacuation signal that does which of the following?

A. Provides a 3-pulse temporal pattern
B. Alternates on for 1 second, off for 1.5 seconds
C. Alternates on for 1 second, off for 1 second
D. Provides a 4-pulse temporal pattern

Answer: A

Explanation:
NFPA 72 mandates astandardized evacuation signal patternto ensure building occupants can recognize and respond to an emergency.
NFPA 72 (2022), Section 18.4.2.1:
"Where audible appliances are used for evacuation or relocation, the alarm signal shall be the Temporal- Three Evacuation Signal pattern (three short audible signals followed by a pause)." This pattern is commonly known as theTemporal-3orT-3signal.
Correct answer: C. Provides a 3-pulse temporal pattern

NEW QUESTION # 44
When is the elevator recall permitted to send a supervisory signal in lieu of an alarm signal?

A. Where approved by the building owner
B. Where approved by the authority having jurisdiction
C. Where approved by the insurance company
D. Where approved by the system designer

Answer: B

Explanation:
Elevator recall typically generates analarm signal, but under specific circumstances, theAHJ may approve the use of a supervisory signalinstead.
NFPA 72 (2022), Section 21.3.3.3 (Exception):
"Where permitted by the AHJ, activation of elevator recall initiating devices shall be permitted to result in a supervisory signal." This allows flexibilitywith AHJ approval, not at the discretion of designers or owners.
Correct answer: A. Where approved by the authority having jurisdiction

NEW QUESTION # 45
The flash rate of visible notification appliances shall be a minimum of how many flashes per second?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
Visible notification appliances (strobes) must flash at aminimum rate of one flash per secondto meet visibility and perceptibility requirements.
NFPA 72 (2022), Section 18.5.3.4.1:
"The flash rate shall be not less than 1 flash per second and not more than 2 flashes per second." Correct answer: A. 1

NEW QUESTION # 46
Which two of the following should occur when a signal silence switch for a notification alarm is activated? (Choose two.)

A. Audible appliances are deactivated.
B. Visible appliances are deactivated.
C. HVAC shutdown is deactivated.
D. Door holders are deactivated.

Answer: A,B

Explanation:
Thesignal silence switchis used to silence audible signalswithout resetting the system or clearing the visual indicatorsof an alarm condition. However, per code, bothaudible and visible appliancesare allowed to be silenced if the condition is acknowledged and supervised appropriately.
NFPA 72 (2022), Section 10.11.5.2.1:
"The signal silence switch shall be permitted to deactivate both audible and visible notification appliances provided the following conditions are met..." Conditions include that:
* The system must remain inalarm state
* Thecondition must be supervised
* Manual reset is required to restore full function
Note: Door holders and HVAC shutdown systems arebuilding function controls, not notification appliances, and typicallyremain activeuntil full system reset.
Correct answer: Audible appliances are deactivated, Visible appliances are deactivated

NEW QUESTION # 47
Which three of the following branch circuit characteristics are required for circuit identification and accessibility of the fire alarm equipment's primary power supply? (Choose three.)

A. The system circuit disconnect shall be permanently identified as "Fire Alarm."
B. Where a circuit breaker is the disconnecting means, a breaker locking device shall be installed.
C. Where a circuit breaker is the disconnecting means, a breaker locking device shall be labeled.
D. The system circuit disconnect shall be permanently identified at the control unit.

Answer: A,B,D

Explanation:
NFPA 72 requires strict identification and protection of theprimary power supplycircuit to the fire alarm control unit (FACU) to prevent unauthorized disconnection.
NFPA 72 (2022), Section 10.6.5.2.1:
"The circuit disconnecting means shall be identified as 'FIRE ALARM CIRCUIT' at the point of disconnect and at the fire alarm control unit." Section 10.6.5.2.2:
"A circuit breaker used as the disconnecting means shall be protected from unauthorized operation by a locking device." There isno requirementfor the locking device to be labeled - it only must be installed.
Correct answers:
* The system circuit disconnect shall be permanently identified as "Fire Alarm."
* The system circuit disconnect shall be permanently identified at the control unit.
* Where a circuit breaker is the disconnecting means, a breaker locking device shall be installed.

NEW QUESTION # 48
......

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