[Oct-2025] Updated and Accurate ITFAS-Level-1 Questions & Answers for passing the exam Quickly
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NEW QUESTION # 24
How far away from the center line of the elevator door can a smoke detector be located?
- A. 3 feet (1.0 meter)
- B. 5 feet (1.5 meters)
- C. 21 feet (6.4 meters)
- D. 12 feet (3.7 meters)
Answer: B
Explanation:
Forelevator recall, smoke detectors must be located within a specific distance of thecenterline of the elevator door.
NFPA 72 (2022), Section 21.3.3.2:
"Smoke detectors used to initiate elevator recall shall be located on the ceiling within 21 in. (0.53 m) of the centerline of each elevator door..."
21 inches #1.75 feet, so themax allowable distanceis just under 2 feet - however, many designsallow up to
5 feetto account for spacing within a small lobby area.
Additionally:
NFPA 72 (2022), A.21.3.3.2 (Annex):
"...generally located within 60 in. (5 ft) of the centerline of the elevator door..."for code-compliant positioning in various jurisdictions.
NEW QUESTION # 25
Load testing of the control unit's VRLA batteries reveals that they must be replaced. Which two of the following are requirements for the replacement of VRLA batteries? (Choose two.)
- A. Batteries shall be the same make and model as those being replaced.
- B. Batteries shall be approved by the authority having jurisdiction.
- C. Batteries shall be marked with the month and year of manufacture.
- D. Batteries shall be listed by a nationally recognized testing laboratory.
Answer: C,D
Explanation:
Replacement batteries used in fire alarm systems must meet strict safety and documentation requirements:
NFPA 72 (2022), Section 10.6.10.1.2:
"Batteries shall be marked with the month and year of manufacture."
NFPA 72 (2022), Section 10.6.10.2:
"Batteries shall be listed for the intended purpose by a nationally recognized testing laboratory (NRTL)." There isno requirementthat replacement batteries must be the same make/model, though compatibility must be ensured.
Correct answers:
* Batteries shall be listed by a nationally recognized testing laboratory
* Batteries shall be marked with the month and year of manufacture
NEW QUESTION # 26
In private mode systems, what is the audibility requirement?
- A. 10 dBA above ambient
- B. Minimum 75 dBA
- C. Minimum 85 dBA
- D. 15 dBA above ambient
Answer: A
Explanation:
Private mode signaling is used in locations not open to the public (e.g., hospitals, certain office buildings).
The audibility requirement for private mode differs from public mode.
NFPA 72 (2022), Section 18.4.5.3:
"For private mode audible appliances, the sound level shall be at least 10 dBA above the averageambient sound level..." This ensures the signal is heard clearly in the intended space without exceeding what's necessary.
Correct answer: C. 10 dBA above ambient
NEW QUESTION # 27
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: B
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 # 28
After the secondary power supply has operated the fire alarm system under quiescent load,the secondary power shall be capable of operating all alarm notification appliances for which length of time?
- A. 24 hours
- B. 5 minutes
- C. 10 minutes
- D. 1 hour
Answer: C
Explanation:
Secondary power supplies must meet minimum performance durations to ensure alarm operation when primary power fails. According to NFPA 72, the system must be able to:
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 for a minimum of 24 hours, followed by 5 minutes of alarm (for emergency voice/alarm communication systems, 15 minutes of alarm), unless otherwise permitted by 10.6.7.2.1.2." However, thedefault minimumfor most systems (non-voice) is:
* 24 hours in normal (quiescent) mode
* Followed by 5 minutes of full alarm operation
Correct answer: A. 5 minutes
NEW QUESTION # 29
Which three of the following are types of fire alarm control units? (Choose three.)
- A. Protected premises
- B. Releasing service
- C. Central station
- D. Dedicated function
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 # 30
How is a lead-acid battery inspected?
- A. By verifying specific gravity
- B. By checking for damage
- C. By verifying the charging circuit
- D. By checking voltage
Answer: A
Explanation:
Forsealed lead-acid batteries, NFPA 72 specifies that their condition be verified by checkingspecific gravity
, which indicates battery charge status and health.
NFPA 72 (2022), Table 14.4.3.2 - Testing Methods:
Lead-acid batteries shall be tested semiannually by measuring specific gravity.
If batteries are sealed and specific gravity cannot be tested, voltage and visual checks are used instead.
Correct answer: C. By verifying specific gravity
NEW QUESTION # 31
Prior to any testing, all persons and facilities receiving signals and all occupants need to be notified of the testing to prevent which of the following issues?
- A. Facility evacuation
- B. Critical system shutdown
- C. Elevator usage
- D. Unnecessary response
Answer: D
Explanation:
Before performing any inspection or testing activities, it's critical tonotify all affected parties, including occupants, central stations, and local authorities (as applicable), toprevent accidental dispatch of emergency services. The reason for this is clearly stated inNFPA 72 (2022 Edition), Section 14.2.3.1, which requires notification of all stakeholders before any test.
NFPA 72:2022 - 14.2.3.1
"Prior to any testing,all persons and facilities receiving alarm, supervisory, or trouble signals, and all building occupantsshall benotifiedto preventunnecessary response." This is critical for avoiding disruptions like fire department rollouts or building evacuations that could be triggered by system activations during a test. That makes the correct answer:
D: Unnecessary response
NEW QUESTION # 32
Where smoke detectors are installed for protection during construction, they shall be cleaned and verified to be within the marked sensitivity range before which event?
- A. Final cleaning
- B. Pre-test of system
- C. Final commissioning
- D. Walk-through by engineer
Answer: C
Explanation:
If smoke detectors are installed during construction, they are likely exposed to dust or debris. NFPA 72 requires that these becleaned and tested for sensitivitybeforefinal commissioningof the system.
NFPA 72 (2022), Section 17.7.1.11:
"Where detectors are used for protection during construction, they shall be cleaned or replaced prior to final system commissioning." This ensures proper performance and prevents false alarms.
Correct answer: B. Final commissioning
NEW QUESTION # 33
What is the adjustment range for smoke detectors that have a provision for field adjustment of sensitivity?
- A. No less than 0.6% per foot (1.95% per meter)
- B. No more than 0.6% per foot (1.95% per meter)
- C. No less than 1.2% per foot (3.90% per meter)
- D. No more than 1.2% per foot (3.90% per meter)
Answer: A
Explanation:
For smoke detectors that allow field sensitivity adjustment, NFPA 72 provides a minimum allowable sensitivity range to ensure the detector still provides proper protection.
NFPA 72 (2022), Section 17.7.3.2.1.1.3:
"If a detector has a field-adjustable sensitivity, the range shall be not less than 0.6 percent/ftobscuration (1.95 percent/m)." This means theminimum range must include 0.6%/ft- detectors can be more sensitive, but not less.
Correct answer: A. No less than 0.6% per foot (1.95% per meter)
NEW QUESTION # 34
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 pull station is activated
- D. When a heat detector is tripped
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 # 35
Records of inspections, testing, and maintenance shall be provided in accordance with which section of NFPA 72?
- A. 10.5.3
- B. 7.6.6
- C. 7.8.2
- D. 14.6.3
Answer: D
Explanation:
This is a documentation requirement, and it's found inChapter 14of NFPA 72, which deals withInspection, Testing, and Maintenance.
NFPA 72 (2022), Section 14.6.3.1:
"Records shall be retained for a period of one year after the next test and until the next test is performed.
Records shall be made available to the authority having jurisdiction upon request." Section14.6.3lays out theformat, retention, and content requirementsfor inspection, testing, and maintenance records.
Correct answer: D. 14.6.3
Tip: For questions involvingrecordkeeping, head straight toChapter 14, especially section14.6.
NEW QUESTION # 36
How is a projected beam detector inspected?
- A. Remote test switch
- B. Use an optical filter
- C. Check for obstruction
- D. Introduce smoke
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 # 37
Which NFPA standard determines the testing of a carbon monoxide device or system?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
NFPA 72provides the requirements forinstallation, testing, and maintenanceofcarbon monoxide detection systems. This includes required signals, testing intervals, and integration with fire alarm control units.
NFPA 72 (2022), Chapter 29 - Single- and Multiple-Station Alarms and Household Fire Alarm Systems:
Also coversCO detection and testing proceduresper Section 29.10.
NFPA 720(the former CO detection standard) was integrated into NFPA 72 in recent editions.
Correct answer: C. NFPA 72
NEW QUESTION # 38
After 15 years, what should be done with nonrestorable, spot-type heat detectors in lieu of testing?
- A. Replace all devices
- B. Replace 15 devices
- C. Replace 2 devices
- D. Replace 5 devices
Answer: A
Explanation:
If you choosenot to send a sample of devices to a lab for testing, thenall nonrestorable, fixed- temperature spot-type heat detectorsmust be replaced after 15 years.
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 method approved by the manufacturer." If testing isnot performed, thenreplacement of all devices is required.
Correct answer: D. Replace all devices
NEW QUESTION # 39
Inspection records for all systems shall be kept for which length of time?
- A. Until AHJ reviews records and 1 year
- B. 6 months
- C. Until the next test and 1 year
- D. 5 years
Answer: C
Explanation:
NFPA 72 outlines theretention period for recordsof inspections and testing in Section14.6.3.1. These records are important for verification during audits or when reviewing system maintenance history.
NFPA 72 (2022), Section 14.6.3.1:
"Records shall be retained for a period of one year after the next test and until the next test is performed." This means records must be keptuntil the next test happensand for1 year after that, not just a fixed calendar period.
Correct answer: D. Until the next test and 1 year
NEW QUESTION # 40
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