ITFAS-Level-1 Lab Questions, Reliable ITFAS-Level-1 Braindumps Sheet

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NICET Inspection and Testing of Fire Alarm Systems Level I Exam Sample Questions (Q76-Q81):

NEW QUESTION # 76
In a Class B initiating circuit, wires should be monitored for integrity by having a supervisory device connected to which of the following?

A. The last detector
B. The first detector
C. Beginning of the loop
D. Anywhere on the loop

Answer: A

Explanation:
In aClass B circuit, supervision of wiring integrity is accomplished using anEnd-of-Line Resistor (EOLR)at thelast devicein the circuit. This allows the control unit to detect open faults.
NFPA 72 (2022), Section 12.3.4.1:
"Initiating device circuits shall be monitored for integrity by placing an end-of-line device at the last device on the circuit." If the wiring is cut or disconnected before the last device, the panel detects it as a trouble condition.
Correct answer: D. The last detector

NEW QUESTION # 77
What is the testing frequency of a remote annunciator?

A. Monthly
B. Semiannually
C. Quarterly
D. Annually

Answer: D

Explanation:
Remote annunciators provide fire alarm system status at secondary locations. NFPA 72 mandatesannual functional testingof these devices to ensure they correctly display and sound appropriate signals.
NFPA 72 (2022), Table 14.4.3.2 - Testing Methods and Frequencies:
Category:Annunciators (remote)
Frequency:Annually
Test Method:"Verify correct visual/audible indication of alarm, supervisory, and trouble signals." Technicians must activate actual alarm, supervisory, and trouble signals and confirm they display correctly at the remote annunciator.
Correct answer: D. Annually

NEW QUESTION # 78
After successful completion of an inspection, who shall be responsible for maintaining the permanent records?

A. AHJ
B. Fire marshal
C. Alarm contractor
D. Owner

Answer: D

Explanation:
NFPA 72 assigns theresponsibility for maintaining inspection and testing recordsto the owner or their designated representative. This ensures records are available when needed by the AHJ or for future inspections.
NFPA 72 (2022), Section 14.6.1:
"The property or building owner or the owner's designated representative shall be responsible for the inspection, testing, and maintenance of the system and for maintaining the records." This responsibility cannot be offloaded to the contractor or fire marshal unless formally designated by the owner.
Correct answer: D. Owner

NEW QUESTION # 79
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 60 minutes of alarm
B. 24 hours in the normal condition followed by 10 minutes of alarm
C. 24 hours in the normal condition followed by 9 minutes of alarm
D. 24 hours in the normal condition followed by 4 minutes of alarm

Answer: B

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 # 80
When is a shunt trip operated to power down an elevator?

A. When a heat detector is tripped
B. When a sprinkler head is activated
C. When a smoke 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 # 81
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ITFAS-LEVEL-1 LAB QUESTIONS, RELIABLE ITFAS-LEVEL-1 BRAINDUMPS SHEET

ITFAS-Level-1 Lab Questions, Reliable ITFAS-Level-1 Braindumps Sheet