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NICET
NICET LEVEL 1 FIRE ALARMS (NEW 2025 /
2026 UPDATE) QS & AS| 100% CORRECT|
GRADE A (VERIFIED ANSWERS)
According to NFPA 72, during an acceptance test, which method can be utilized for testing a sprinkler waterflow switch? - ANS ✓Open the inspector's test valve to cause an actual flow of water, ensure that the control panel receives the alarm within 90 seconds I'm technicians are working in a plant, remind to learn of the plants safety regulations? - ANS ✓from OSHA regulations? When into a telephone communication system is required, at least one telephone or Jack shall be installed in which of the following locations? - ANS ✓in a fire pump room Who is responsible for fire alarm system and testing and maintenance? - ANS ✓Property owner In a protected premises with a 40 foot long by 15 foot wide room having a smooth ceiling, what is the minimum quantity of smoke detectors that shall be required? - ANS ✓2 smoke detectors A meter will be used to measure a horn strobe circuit current draw. Which of the following statements is correct? - ANS ✓The meter should be connected in series with the circuit; it must be located before the first device(horn or strobe).?
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Which plans include a fire detection system details? - ANS ✓electrical Wall-mounted audible signal appliances shall be mounted how many inches below finished ceiling? - ANS ✓6 inches minimum A Crew member has a suspected leg fracture. Before moving the crew member, what is the recommended first step I'm treating the injury? - ANS ✓Immobilize the leg How often shall alarm notification appliances be tested? - ANS ✓Every 12 months We're the outgoing and return conductors enter or exit notification of clients, the conductors are permitted to run in the same cable assembly for up to which maximum distance? - ANS ✓10 feet? Which part requires special handling or disposal? - ANS ✓lead acid batteries What is the minimum acceptable size of conductors for multi conductor cables? - ANS ✓26 AWG Which type of detector is recommended for protecting atriums and similar open spaces? - ANS ✓projected beam-type Which type of fire alarm key blank must be used for a run that will be installed in a Plenum space? - ANS ✓FPLP
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The maximum height for initiating pull box - ANS ✓48 inches How long shall a secondary power supply's capacitance last when primary power is off? - ANS ✓24 hours non-alarm and 5 minutes of evacuation at the end. The secondary power supply for in-building mass notification system (MNS) shall last how long? - ANS ✓24 hours non-alarm and 15 minutes during emergency. The secondary power supply for in-building Fire emergency voice/alarm communications shall last how long? - ANS ✓24 hours non-alarm and 15 minutes alarm Trouble signals and their restoration to normal shall be indicated within - ANS ✓200 seconds Which circuit class is a fail-safe circuit? - ANS ✓Class D A circuit class is not monitored for integrity? - ANS ✓Class E How is a class B circuit different from a class A circuit? - ANS ✓Class B does Not have a redundant path; Operational capability stops at a single open. Monitoring for integrity shall not be required for the interconnection between enclosure containing control equipment located within - ANS ✓ 20 feet I or Amperes = - ANS ✓E/R
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R or Resistance - ANS ✓E/I E or Voltage - ANS ✓I x R K for Copper @ 167 degrees F - ANS ✓12. K for Aluminium @ 167 degrees F - ANS ✓21. Voltage drop formula for single-phase circuits - ANS ✓Vd = (2K x L x I) / Cm Voltage drop formula for three-phase circuits - ANS ✓Vd = (1.73K x L x I) / Cm Total Current for series circuit - ANS ✓I(t) = I(1) = I(2) = I(3), etc. Total voltage for series circuit - ANS ✓E(t) = E(1) + E(2) + E(3), etc. Total resistance for series circuit - ANS ✓R(t) = R(1) + R(2) + R(3), etc. Total Current for parallel circuit - ANS ✓I(t) = I(1) + I(2) + I(3), etc. Total voltage for parallel circuit - ANS ✓E(t) = E(1) = E(2) = E(3), etc. Total resistance for parallel - ANS ✓R(t) = E(t) / I(t) Total resistance when current and voltage unknown - ANS ✓1/R(t) = 1/R(1)
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Vertical runs of a metal wireway shall be securely supported at intervals not exceeding - ANS ✓15 feet Metal wireways shall be supportive wire run horizontally at each end and at intervals not to exceed - ANS ✓5 feet Class 1 location hazards - ANS ✓Flammable gases and liquid-produced vapors Class 2 location hazards - ANS ✓Combustible dust Class 3 location hazards - ANS ✓Easily ignitable fibers and combustible flying’s Class 1 Division 1 - ANS ✓Gases and vapors exist under normal conditions, exists frequently because of repair or maintenance operations or leakage, or the breakdown or faulty operation of equipment. Class 1 Division 2 - ANS ✓Gases and papers will normally be confined within close containers or systems which can only answer escape in the case of accidental rupture, breakdown or abnormal operation of equipment does normally provide and buy a positive mechanical ventilation Class 2 Division 1 - ANS ✓Combustible dust is in the air under normal operating conditions, mechanical failure or abnormal operation of machinery or equipment might cause such explosive or ignitable mixtures or quantities sufficient to be hazardous. Class 2 Division 2 - ANS ✓Combustible dust due to abnormal operations may be present in the air in quantity sufficient to produce explosive or ignitable mixtures as a result of infrequent a functioning and handling of processing equipment
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becoming suspended in the air or dust accumulations on in or in vicinity of equipment could be sufficient to interfere with safety dissipation of heat from electrical equipment Class 3 Division 1 - ANS ✓Location in which easily ignitable fibers or flying’s are handled, manufactured, or used Class 3 Division 2 - ANS ✓Location in which easily ignitable fibers or flying's are stored or handled other than the process of manufacture. Group A - ANS ✓Acetylene, class 1 group Group B - ANS ✓Flammable gas and vapor MESG value less than or equal to. mm or MIC ratio of 0. Group C - ANS ✓Flammable gas or vapor with MESG of .45 - .75 mm or MIC ratio .40-. Group D - ANS ✓Gas or vapors with MESG above .75 mm or MIC ratio above. Group F - ANS ✓Atmospheres containing can bustable carbonaceous dust that have more than 8% total entrapped volatiles, I.e. charcoal Group G - ANS ✓Atmospheres containing come bustable does not included in Group E or F including flour, green, wood, plastic and chemicals. Class 1 circuit - ANS ✓The portion of the wiring system between the load side of the overcurrent device.
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The use of unprotected EMT shall be permitted under which conditions? - ANS ✓when in direct contact with the earth According to NFPA 70, what is the maximum unsupported length of 1/2- inch flexible metallic conduit where flexibility is required after installation? - ANS ✓4 1/2 feet What is the maximum bend (in degrees) permitted in a conduit run between outlet boxes? - ANS ✓360 Degrees If the primary power is disconnected and the fire alarm system goes into an alarm condition, what is the minimum acceptable time for secondary power to operate the voice evacuation systems? - ANS ✓15 minutes A riser room temperature switch should activate when the temperature falls below which level? - ANS ✓40 degrees F According to NFPA 72, what is the maximum sound pressure level permitted in a space with notification appliances? - ANS ✓110 dBA What is the minimum interval for testing a single-station smoke detector in multifamily units? - ANS ✓Annually Where should a technician install a detector in relation to beam that is less than 12 inches deep and less that 8 feet in center? - ANS ✓At the bottom of the beam
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An existing fire alarm cable in a drop ceiling will be spliced. which one of the following splice locations will comply with NFPA 70? - ANS ✓secured inside a listed box or enclosure Which function shall be tested for each newly installed smoke detector? - ANS ✓smoke entry? An 180 foot long corridor is 10 feet wide, with a smooth 10 foot ceiling, interrupted by 4-inch beams spaced every 10 feet. How many heat detectors with a listed 30 foot spacing are required? - ANS ✓6 heat detectors At which height must cables be physically protected when being installed within an exposed ceiling? - ANS ✓7 feet When shall smoke detectors be installed during the construction process? - ANS ✓After the final clean-up of all trades Where structural members are provided, intermediate metal conduit shall be secured within which maximum distance from an outlet box" - ANS ✓ 3 feet The requirement forbidding fire alarm circuits from being T-tapped, unless indicated by the manufacturer's instructions, is intended to prevent which type of improper malfunction? - ANS ✓monitoring integrity of installation conductors? What is the maximum operating temperature of TW insulation? - ANS ✓ 140 Degrees F, Table 310.15 (B)(16)
