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Valid ITFAS-Level-1 Exam Answers & ITFAS-Level-1 Download Fee

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NICET Inspection and Testing of Fire Alarm Systems Level I Exam Sample Questions (Q86-Q91):

NEW QUESTION # 86
Which is true of the phone lines on a Digital Alarm Communicator Transmitter (DACT) when no other methods are in use?

A. Test signal must be sent every 24 hours.
B. Primary line should be connected to the PSTN.
C. Phone lines must be dedicated.
D. Two separate phone lines are required.

Answer: D

Explanation:
When aDACTis the only method of off-premises signal transmission, itmustbe connected totwo separate telephone linesto ensure redundancy in case one line fails.
NFPA 72 (2022), Section 26.6.4.4.4.1:
"DACTs shall be connected to two separate phone lines (one primary, one secondary). Loss of the primary line shall result in a supervisory signal." This redundancy ensures system reliability when using traditional telephone-based communication.
Correct answer: D. Two separate phone lines are required

NEW QUESTION # 87
How is a projected beam detector inspected?

A. Introduce smoke
B. Remote test switch
C. Check for obstruction
D. Use an optical filter

Answer: C

Explanation:
For inspection purposes (not testing), projected beam detectors arevisually checkedforobstructions, alignment issues, and cleanlinessof lenses.
NFPA 72 (2022), Table 14.3.1 - Inspection Frequencies:
"Projected beam smoke detectors" # Inspect quarterly
Method: Check for obstruction, alignment, cleanliness
Testing uses an optical filter, butinspectionis visual.
Correct answer: A. Check for obstruction

NEW QUESTION # 88
A single open fault, in a Class A pathway, shall result in the annunciation of which of the following signals?

A. Pre-alarm
B. Alarm
C. Trouble
D. Supervisory

Answer: C

Explanation:
In aClass Afire alarm circuit, asingle opencondition does not affect communication but must still be annunciated as atroublesignal.
NFPA 72 (2022), Section 12.3.1.1.1.4:
"A single open condition on a Class A pathway shall result in a trouble signal." This maintains system operation while alerting of a wiring fault.
Correct answer: D. Trouble

NEW QUESTION # 89
When testing initiating devices, what is the maximum allowed time for the supervising station to verify receipt of the signal?

A. 60 seconds
B. 90 seconds
C. 120 seconds
D. 80 seconds

Answer: B

Explanation:
NFPA 72 sets a maximum time limit for verifying that signals frominitiating devicesreach thesupervising stationduring testing. The purpose is to ensure that communication paths and processing do not introduce unsafe delays.
NFPA 72 (2022), Section 14.4.3.4.2:
"Where connected to a supervising station, the signal shall be confirmed as received at the supervising station within 90 seconds of initiating device activation." Correct answer: C. 90 seconds

NEW QUESTION # 90
After 15 years from initial installation, all fixed-temperature, nonrestorable heat detectors shall be replaced or have how many detectors per 100 laboratories tested?

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

Answer: A

Explanation:
Heat detectors that arenonrestorablemust either be replaced after 15 years or undergo sample testing. If testing is chosen,at least 4 detectors per 100of the same model and environment must be tested in an approved lab.
NFPA 72 (2022), Section 14.4.4.4.1:
"After 15 years from the date of installation, all fixed-temperature, nonrestorable heat detectors shall be replaced or tested using a laboratory method... A minimum of 4 detectors shall be tested for each 100 detectors installed." This ensures detector reliability over time.
Correct answer: B. 4

NEW QUESTION # 91
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