FREE PDF QUIZ NICET - HIGH-QUALITY ITFAS-LEVEL-1 - INSPECTION AND TESTING OF FIRE ALARM SYSTEMS LEVEL I EXAM EXAM FORUM

Free PDF Quiz NICET - High-quality ITFAS-Level-1 - Inspection and Testing of Fire Alarm Systems Level I Exam Exam Forum

Free PDF Quiz NICET - High-quality ITFAS-Level-1 - Inspection and Testing of Fire Alarm Systems Level I Exam Exam Forum

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NICET Inspection and Testing of Fire Alarm Systems Level I Exam Sample Questions (Q72-Q77):

NEW QUESTION # 72
In the event of power loss, how long shall a secondary power source for household fire alarm systems maintain operation?

  • A. 24 hours in the normal condition followed by 4 minutes of alarm
  • B. 24 hours in the normal condition followed by 9 minutes of alarm
  • C. 24 hours in the normal condition followed by 10 minutes of alarm
  • D. 24 hours in the normal condition followed by 60 minutes of alarm

Answer: C

Explanation:
Household fire alarm systems have different performance requirements from commercial systems, but still must support essential alarm functions under loss of primary power.
NFPA 72 (2022), Section 29.10.5.1.1:
"The secondary power supply shall be capable of powering the system under quiescent load for 24 hours and then capable of operating the system during alarm for a period of 4 minutes (for general fire alarm) or 10 minutes (for household fire alarm systems)." Correct answer: C. 24 hours in the normal condition followed by 10 minutes of alarm


NEW QUESTION # 73
Which three of the following are types of fire alarm control units? (Choose three.)

  • A. Dedicated function
  • B. Releasing service
  • C. Central station
  • D. Protected premises

Answer: A,B,D

Explanation:
NFPA 72 identifies severaltypes of fire alarm control units (FACUs)based on their function and scope.
NFPA 72 (2022), Section 3.3.103 - Fire Alarm Control Unit (FACU):
* Dedicated Function FACU: Performs a specific fire alarm role (e.g., elevator recall or sprinkler monitoring).
* Protected Premises FACU: Installed on-site to monitor and signal within that building.
* Releasing Service FACU: Activates fire suppression systems like gas or foam.
"Central station" is asupervising station, not a control unit.
Correct answers:
* Dedicated function
* Protected premises
* Releasing service


NEW QUESTION # 74
Secondary power for the fire alarm primary power supply shall be tested under which load?

  • A. Maximum load
  • B. Supervisory load
  • C. Minimum load
  • D. Half load

Answer: B

Explanation:
NFPA 72 requires that the secondary power supply be capable of powering the fire alarm system under quiescent or supervisory loadfor 24 hours, followed by full alarm load for a minimum time (typically 5 or
15 minutes depending on system type).
NFPA 72 (2022), Section 10.6.7.2.1.1:
"The secondary power supply shall have sufficient capacity to operate the system under quiescent load (supervisory condition) for a minimum of 24 hours..." Testing should verify operation under thissupervisory (normal monitoring)condition.
Correct answer: D. Supervisory load


NEW QUESTION # 75
Which two of the following are needed to perform a periodic test of a projected beam type smoke detector? (Choose two.)

  • A. Using an optical filter
  • B. Introducing smoke
  • C. Blocking the transmitter
  • D. Using a listed test switch

Answer: A,D

Explanation:
Projected beam smoke detectors are testednot with actual smoke, but by simulating obscuration usinglisted toolssuch as atest switchoroptical filter.
NFPA 72 (2022), Section 14.4.2.2.6.2:
"Projected beam-type smoke detectors shall be tested by introducing an obscuration in the beam path using an optical density filter or a method approved by the manufacturer." Some systems includelisted test switchesfor functional checks without disrupting alignment.
Correct answer: Using a listed test switch, Using an optical filter


NEW QUESTION # 76
What is the testing frequency of an engine driven generator?

  • A. Annually
  • B. Monthly
  • C. Semiannually
  • D. Weekly

Answer: D

Explanation:
Testing of engine-driven generators is governed byNFPA 110, not NFPA 72. NFPA 72 references this standard for standby power systems.
NFPA 110 (2022), Section 8.4.1:
"Diesel generator sets shall be exercised at least once weekly."
This includes running the generator under load and verifying automatic start capability.
NFPA 72 (2022), Section 10.6.3.2:
Refers to NFPA 110 for testing of standby/emergency power systems.
Correct answer: A. Weekly


NEW QUESTION # 77
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