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NICET LEVEL II STUDY SET 1 (LATEST UPDATE)
QUESTIONS AND ANSWERS (100 OUT OF 100)
GRADED A
Which of the following best describes proper use of a step ladder? Do not step above the position with the warning "do not step above this point" Which of the following tests is required by NFPA 72 for duct type smoke detectors? (Select Three) Ensure that they will properly sample the airstream A supervising station fire alarm system which serves contiguous or noncontiguous property under one ownership is considered _____? Proprietary NFPA 72 requires that emergency control function interface devices shall be located within _____ feet of the component controlling the emergency control function? 3 Consider the use of heat detectors with a listed spacing of 15 feet installed on a smooth and level ceiling 12 feet AFF. Based on this, adjusted spacing is _____ feet? 13 What type of cabling is acceptable for runs between floors shall be of what type? (Select Two) FPL, FLPR
When installing heat detectors on a shed ceiling, a row of detectors shall be located within _____ feet of the high side of the ceiling measured horizontally? 3 Consider the use of an air sampling type smoke detector. The transport time from a sampling port to the detector is rated at 2 feet per second. Based on this, the farthest point for a sampling port is _____ feet? 240 Consider a fire alarm installation where the audible notification appliances produce a sound level of 87 dB at 10 feet. Based on this, the sound level of these audible notification appliance is _____ dB at 20 feet? 81 What is the testing frequency for alarm verification procedures? Annually The system used to provide information and instructions to people in the building or other space using intelligible voice communications and including visible signals, graphics, tactile or other communications methods is defined as a _____? In building mass notification system Consider the sensitivity testing of smoke detectors in other than one and two family dwellings. The smoke detectors are not marked with their sensitivity range. In this case, a sensitivity range of _____ percent obscuration light gray smoke? 4
Total resistance of two or more resistors wired in series is _____? Equal to the largest resistor Consider the use of heat detectors on a ceiling with solid joists. Heat detector spacing perpendicular to the joists is _____ % of the listed spacing? 50 Consider a parallel circuit with total voltage of 24 VDC and the total current of 1 amps. The circuit has two resistors of equal value. The value of each resistor is _____ ohms? R= V/I 24 Consider a simple series circuit which has a 12 V DC power source and a total current of 1 A. The circuit has two resistors and the value of R1 equals 9 ohms. Based on this the value of R2 equals _____ ohms? 3 An audible and visible notification appliance must be installed 500 feet from the fire alarm control unit. The manufacturer's data sheet states that there shall be not more than seven ohms resistance between the control unit and the appliance. What is the smallest sized solid coated copper conductor that could be used for this application? 18 Line type heat detectors shall be located on the ceiling or on the sidewalls not more than _____ inches from the ceiling? 20
While replacing a defective heat detector, it is discovered that one of the heat detectors has a red color code. The red color code indicates that the detector has a temperature classification of _____? Extra High The delay from the operation of an alarm initiating device to the automatic activation of the notification appliances shall not exceed _____ seconds? 10 Consider the use of smoke detectors on a level ceiling with beams where the ceiling height is 10 feet AFF. The beam depth is 18 inches and the beam spacing is 42 inches. Based on this, smoke detectors parallel to the beams should be spaced at _____ feet? 30 Consider a room which is 30 feet x 60 feet with a smooth and level ceiling at 10 feet AFF. A total of _____ spot type smoke detectors are required to cover this area? 2 During acceptance testing of a fire alarm system, a single visible notification appliance for a 50' x 50' room is set at 30 cd. The appliance is wall-mounted. According to NFPA 72, the appliance selector switch for this application should be set to at least _____ cd? 30 Consider the use of heat detectors with a listed spacing of 50 feet installed on a smooth and level ceiling 12 feet AFF. Based on this, adjusted spacing is _____ feet?
An acceptable substitute for FPLR is _____? (Select Three) FPLP, CMR, CMP Maintenance, testing and inspection records shall be maintained for _____? Until the next test and 1 year thereafter Consider a room which is 50 feet x 200 feet with a smooth and level ceiling at 10 feet AFF. A total of _____ heat detectors with a listed spacing of 15 feet would be required to cover this room? 56 The symbol in NFPA 72 which indicates more explanatory information can be found in Annex A, is _____? The asterisk Which of the following is required for smoke detectors installed in the air ducts? (Select Three) The detectors may initiate a supervisory signal The detectors may initiate an alarm signal The detectors must be listed for in duct use Consider a circuit which has a total voltage of 24 VDC and the total resistance of 1000 ohms. The total current is _____?
24 milliamps According to NFPA 72, 12 volt notification appliances shall be capable of proper operation at _____ volts?
Consider the installation of an HVAC duct detector. According to NFPA 90A, a return-side duct detector is required for HVAC units greater than _____ cfm and serving 2 or more floors? 15000 Consider the use of heat detectors with a listed spacing of 50 feet installed on a smooth and level ceiling 20 feet AFF. Based on this, adjusted spacing is _____ feet? 32 Which of the following tests is not required by NFPA 72 for duct type smoke detectors? Verify detector will detect white, black and invisible smoke Consider room which is 40' x 40'. A total of _____ smoke detectors are required? 4 All change orders to a contract should include _____? (Select Three) Labor cost Specific details
A fire alarm project requires the use of positive alarm sequence. To initiate the positive alarm sequence operation, the signal from an automatic fire detection device selected for positive alarm sequence operation shall be acknowledged at the fire alarm control unit by trained personnel within _____ seconds of annunciation? 15 Spot type smoke detectors which are sidewall mounted, shall be between the ceiling and _____ inches down from the ceiling to the top of the detector? 12 Consider a Use Group R-1 with 150 sleeping units. _____ rooms shall be equipped with visible alarm notification appliances activated by both the in room smoke alarm and the building fire alarm system? 12 During a site visit, it is determined that a sprinkler head has been installed in an elevator hoistway. The project requires a heat detector also be installed in the hoistway. If heat detectors are used to shut down elevator power prior to sprinkler operation, they shall be placed within _____ inches of each sprinkler head? 24 Consider a circuit which has a total voltage of 12 VDC and the total resistance of 1000 ohms. The total current is _____? 12 milliamps Consider a simple series circuit which has a 12 V DC power source and a total current of 0.5 A. The circuit has two resistors and the value of R1 equals 18 ohms. Based on this the value of R2 equals _____ ohms? 6
When installing smoke detectors on a shed ceiling, a row of detectors shall be located within _____ feet of the high side of the ceiling measured horizontally? 3 Consider the use of rigid metallic conduit for a fire alarm installation. The maximum number of 14 AWG THHN in conductors that can be run in 1/2 inch conduit is _____? 13 The fire alarm system design has established the use of an addressable fire alarm system which has a maximum capacity of 120 addressable points. The fire alarm system includes 135 devices, 25 of which are supervisory devices for the fire sprinkler system. According to NFPA 72, the number of supervisory signal initiating devices permitted to be connected to a single initiating device circuit shall not exceed _____? 20 This symbol represents a _____? Photoelectric smoke detector Consider a group R-2. The IBC states that photoelectric smoke alarms shall not be installed less than _____ feet horizontally from a permanently installed cooking appliance? 6 Consider a contract which requires the use of IP transmission of signals to the supervising station. According to NFPA 72, IP transmission is a performance based technology and as such _____? Does not require a secondary communications path
It is determined that the charging circuit on the fire alarm panel will recharge the batteries and 39 hours. According to NFPA 72, battery charging equipment shall be provided to recharge batteries within _____ hours after fully charged batteries have been subject to a single discharge cycle? 48 Consider a room which is 50 feet x 100 feet with a smooth and level ceiling at 10 feet AFF. A total of _____ heat detectors with a listed spacing of 50 feet would be required to cover this room? 2 Consider the use of heat detectors with a listed spacing of 15 feet installed on a smooth and level ceiling 22 feet AFF. Based on this, adjusted spacing is _____ feet? 8 Consider a fire alarm system in a Use Group A. According to the IBC, activation of the fire alarm in a use group A occupancy with an occupant load of _____ or more shall initiate a signal using an emergency voice/alarm communications system? 1000 Consider the use of heat detectors with a listed spacing of 50 feet installed on a smooth and level ceiling 16 feet AFF. Based on this, adjusted spacing is _____ feet?
Consider a fire alarm system for central station service. The secondary power supply shall have sufficient capacity to operate the system under quiescent load for a minimum of _____? 24 hours
According to the IBC, a fire alarm system is required for _____? Use Group A with an occupant load of 300 A fire alarm project requires smoke detection in the room which is 60' x 60'. How many spot type smoke detectors are required? 4 Consider a 24 VDC notification appliance circuit where 10 devices are wired in parallel. The total current draw for the circuit is 1 amp. The circuit consists of 1,000 feet (total copper conductor) of solid, coated 18 AWG FPL. Assume a conductor temperature of 75 degrees celcius. The voltage present at the last device is _____ volts?
The fire alarm system design for a room called for a smoke detector spacing based on a specific ceiling which is considered level. The ceiling has beams which have a depth of 10% of the ceiling height and spaced at 35% of the ceiling height. Based on this information smoke detectors _____? (Select Three) May be located on the ceiling Shall be spaced at 15 feet perpendicular to the beams May be located on the bottom of the beams Upon arrival at a job site to prewire the fire alarm system, a technician identifies that the framing is not complete. The most appropriate person for the technician to notify is _____? General Contractor
Consider a parallel circuit with total voltage of 24 VDC and the total current of 1 amps. The circuit has two resistors of equal value. The value of each resistor is _____ ohms? 48 Consider the use of heat detectors on a ceiling with solid joists which project down from the ceiling 4 inches and a joist spacing of 24 inches. Based on this, spacing perpendicular to the joists should be reduced by _____ percent? 50 During the acceptance test, the AHJ determines that the requirements of the code have not been met and wants you to add five more notification appliances to an area. What documents will be affected by this change? (Select Three) Record drawings Battery calculations Voltage drop calculations The standard for the installation of Air-Conditioning and Ventilating Systems is _____? NFPA 90A When installing smoke detectors on peaked ceilings, a row of detectors shall be located within _____ feet of the peak? 3
What is the testing frequency for a CO detector? Annually This symbol represents a _____? Fire Pump Radiant energy detectors have a test frequency of _____? Semiannually The symbol in NFPA 72 which indicates material that has been extracted from another NFPA document is _____? The Brackets What is the inspection frequency for an air sampling initiating device? Semiannually Consider a room where the maximum expected temperature at the ceiling is 120 degrees Fahrenheit. Based on this, a heat detector installed on the ceiling should be rated at no less than _____ degrees Fahrenheit? 140 Consider a circuit with a single open. All of the detectors between the control panel and the open operate. All of the detectors between the open and the end of the line are not operational. This circuit is a Class _____?
Consider a contract that requires a fire alarm system for a Group R-1 building. According to the IBC, a facility with 26 sleeping units is required to have _____ sleeping accommodations with visible alarms? 4 Consider a room which is 53 feet x 53 feet square, with ceiling height of 10 feet AFF. If a ceiling mounted visible notification device is installed in the room, the minimum candela rating is _____ cd? 110 A NAC circuit is disconnected from the fire alarm control unit and the loop resistance is measured. The notification appliances are still connected to the circuit. The meter shows the loop resistance is correct. The polarity of the meter leads is switched, and the resistance is measured again. This reading indicates a very low resistance close to zero ohms. This would indicate _____? there is an intermittent ground on the loop Consider a room which is 30 feet x 30 feet square, with ceiling height of 20 feet AFF. If a ceiling mounted visible notification device is installed in the room, the minimum candela rating is _____ cd? 45 Consider a series circuit. Current in series is _____? Constant A group B ambulatory care facility shall be provided with an electronically supervised _____ installed within the ambulatory care facility and in public areas outside of the tenant spaces? Automatic smoke detection system
Drawings which are prepared in order to provide a bid on a fire alarm project are commonly referred to as _____ drawings? Design While conducting acceptance testing, it is identified that an elevator lobby smoke detector used for elevator recall is located 18 feet from the centerline of the elevator car. According to NFPA 72, a lobby smoke detector shall be located on the ceiling within _____ feet of the centerline of each elevator door within the elevator bank under control of the device? 21 Consider the use of smoke detectors on a level ceiling with beams where the ceiling height is 10 feet AFF. The beam depth is 15 inches and the beam spacing is 48 inches. Based on this, smoke detectors parallel to the beams should be spaced at _____ feet? 30 and the 0.7 rule does not apply Consider a room where the average ambient sound level is 65 dBA. Based on this, the audible public mode sound level in the room shall be a minimum of _____ dBA? 65+ 15 80 Consider the sensitivity testing of smoke detectors in other than one and two family dwellings. The second required calibration test was conducted January of 2021 and sensitivity tests indicate that the device has remained within its listed in marked sensitivity range. The next calibration test should be scheduled on or before _____? December 2025 Consider the use of an air sampling type smoke detector. The detector shall give a _____ signal if the airflow is outside the manufacturer's specified range? Trouble
