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完美的NICET ITFAS-Level-1考古題更新是行業領先材料＆實用的ITFAS-Level-1：Inspection and Testing of Fire Alarm Systems Level I Exam

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ITFAS-Level-1熱門證照，ITFAS-Level-1考試指南

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最新的 Inspection and Testing of Fire Alarm Systems ITFAS-Level-1 免費考試真題 (Q72-Q77):

問題 #72
At minimum, how often must smoke duct detectors be visually inspected?

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

答案：C

解題說明：
Duct smoke detectors must be inspected visually to check for cleanliness, mounting condition, and airflow alignment. The minimum frequency isquarterly.
NFPA 72 (2022), Table 14.3.1 - Visual Inspection Frequencies:
"Duct detectors (smoke)" # Frequency: Quarterly
This helps ensure proper functionality in HVAC systems.
Correct answer: B. Quarterly

問題 #73
Which two of the following activities are done while visually inspecting batteries? (Choose two.)

A. Check for proper charge voltage.
B. Check tightness of connections.
C. Check for proper battery voltage.
D. Check for corrosion or leakage.

答案：B,D

解題說明：
During avisual battery inspection, the technician checks forcorrosion, leakage, swelling, andloose or corroded terminals- not electrical readings (those are part of functional testing).
NFPA 72 (2022), Table 14.3.1 - Inspection Frequencies:
"Batteries (lead-acid and nickel-cadmium)" # Visual inspection items include:
* Cleanliness
* Terminal tightness
* Corrosion or leakage
* Physical damage
Voltage and charging checks are part oftesting, not visual inspection.
Correct answers:
* Check for corrosion or leakage
* Check tightness of connections

問題 #74
In a Class B initiating circuit, wires should be monitored for integrity by having a supervisory device connected to which of the following?

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

答案：C

解題說明：
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

問題 #75
Secondary power shall automatically provide power to a protected premises system within how many seconds after the primary power fails?

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

答案：C

解題說明：
NFPA 72 specifies a strict timeframe for the automatic switchover tosecondary powerafter loss of primary power.
NFPA 72 (2022), Section 10.6.7.1.2:
"Transfer to secondary power shall occur within 30 seconds after loss of primary power." This ensures uninterrupted monitoring and alarm functions during outages.
Correct answer: B. 30

問題 #76
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

答案：B

解題說明：
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

問題 #77
......

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最受歡迎的ITFAS-Level-1考古題更新，覆蓋全真Inspection and Testing of Fire Alarm Systems Level I Exam ITFAS-Level-1考試考題

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