TRUSTWORTHY ITFAS-LEVEL-1 EXAM CONTENT - VALID ITFAS-LEVEL-1 TEST QUESTION

Trustworthy ITFAS-Level-1 Exam Content - Valid ITFAS-Level-1 Test Question

Trustworthy ITFAS-Level-1 Exam Content - Valid ITFAS-Level-1 Test Question

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NICET Inspection and Testing of Fire Alarm Systems Level I Exam Sample Questions (Q68-Q73):

NEW QUESTION # 68
When is a shunt trip operated to power down an elevator?

  • A. When a smoke detector is tripped
  • B. When a sprinkler head is activated
  • C. When a heat detector is tripped
  • D. When a pull station is activated

Answer: B

Explanation:
Elevators must beshut downwhen there iswater dischargein the hoistway to prevent electrical hazards and damage. This shutdown is done using ashunt trip breaker.
NFPA 72 (2022), Section 21.4.2:
"Where sprinklers are located in the elevator machine room, control space, or hoistway, means shall be provided to automatically disconnect the main power supply to the elevator prior to the application of water." This is triggeredby a waterflow switch or heat detector, but the standard design uses thesprinkler head activationas the point of shutdown via heat detector.
Important: While the heat detector usually triggers the shunt trip, thesprinkler head activationis the condition being detected.
Correct answer: D. When a sprinkler head is activated


NEW QUESTION # 69
Which two of the following are needed to perform a periodic test of a projected beam type smoke detector? (Choose two.)

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

Answer: C,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 # 70
When is the elevator recall permitted to send a supervisory signal in lieu of an alarm signal?

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

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 # 71
With all notification appliances operating, what is the maximum sound pressure level, combined with the ambient sound pressure level, at the minimum hearing distance allowed by code?

  • A. 110 dBA
  • B. 105 dBA
  • C. 100 dBA
  • D. 115 dBA

Answer: B

Explanation:
NFPA 72 places amaximum allowable sound pressure levelto prevent hearing damage or discomfort in occupied areas.
NFPA 72 (2022), Section 18.4.1.5:
"The total sound pressure level produced by the fire alarm system, including ambient noise, shall not exceed
105 dBA at the minimum hearing distance from the audible appliance."
This ensures alarm audibilitywithout causing harm.
Correct answer: B. 105 dBA


NEW QUESTION # 72
Which of the following options is required while conducting annual testing of an audiovisual device?

  • A. Verify proper setting of candela rating
  • B. Verify proper operation
  • C. Confirm voice intelligibility
  • D. Confirm sound level based on design

Answer: B

Explanation:
When performingannual testingof notification appliances such as strobes or horns, NFPA 72 mandates functional testing- which means checking that they operate correctly when activated.
NFPA 72 (2022), Table 14.4.3.2 - Testing Frequencies and Methods:
Under "Notification Appliances," the required method for both audible and visible devices is:
"Functional test - verify proper operation."
While things likesound levelsandcandela settingsare verified duringacceptance testing or design review, the annual requirement issimply to verify that they work.
Correct answer: C. Verify proper operation


NEW QUESTION # 73
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