Special Hazards Systems Level 2 Practice Test

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• Which type of heat detection uses two steel conductors coated with a heat-sensitive polymer that melts away to allow contact?
• What device is used to test a squibb release circuit?
• What happens to IT room ventilation when a clean agent is discharged?
• Pathway survivability Level 1 consists of pathways in buildings that are fully protected by an automatic sprinkler system, with any interconnecting conductors, cables, or other physical pathways protected by which of the following?
• Firmware memory types such as ROM, EPROM, and flash memory are erasable by typical system use.
• Compared to fuses, what is an advantage of circuit breakers?
• What year is cited for NFPA 72 references in the procedures?
• Per NFPA 11, foam system piping shall be hydrostatically tested at a pressure of:
• Upon replacing a monitor module attached to a pressure switch, how do you determine which parts of the system to test for proper operation?
• For foam system regulators, what assurance does 'Listed for use' provide?
• Which publication provides the testing table for squibb release circuit testing?
• A preconstruction meeting should be held to discuss the construction sequence if one part of the work relies on the installation of other components.
• Which NFPA standard governs intermediate and high-pressure water mist systems?
• For a CO2 operational test, a destructive test shall be performed on detection devices and actuation devices.
• If changes are made to the system's firmware, which document must be revised?
• For a room protected by a clean agent system that contains an HVAC return grill, which component is required?
• When submitting an RFI, it should initially be sent to the contractor's project manager.
• For a Halon 1301 system discharge test, containers for the agent shall be weighed___.
• Visual inspection of batteries must include which items?
• Which signaling scenario is described as requiring holographic signaling as not permitted?
• Which organization is a listing agency for firestop systems?
• Per NFPA 25, how often are foam concentrate samples collected?
• NFPA 72 requires specific testing frequencies and methodologies for which equipment?
• Which statement best describes the required power supply arrangement for detection, signaling, control, and actuation?
• Which NFPA standard addresses leakage prevention methods for threaded fittings in clean agent piping?
• Detectors used for power shutdown must be located within ____ inches of each sprinkler head.
• Which of the following statements about abort switches is true?
• Which document should be consulted first if the system leaks within six months?
• During periodic inspections, if results deviate by more than 10% from past documentation, what should be done?
• Who should participate in the recommended post-installation walk-through?
• When adding an initiating device, a notification appliance, or a control relay, what type of testing is required?
• For enclosed storage tanks, how do you determine the foam type during inspection or maintenance?
• Who is responsible for enforcing building code requirements?
• If ceiling heights do not allow placing a visual notification appliance at the minimum mounting height, how far from the ceiling should the appliance be mounted?
• Closeout procedures are required per the contract document, and need to include which of the following?
• Closeout procedures include which of the following items?
• VEWFD stands for Very Early Warning Fire Detection.
• A water level supervisory switch for a pressure tank must signal an off-normal condition when the water level in the pressure storage tank rises or lowers more than ______.
• A permit is required for which of the following scenarios?
• Which schedule is specified as the minimum standard weight for steel pipe used in foam systems?
• Which foam system has fixed discharge outlets connected to piping that terminates at a safe distance from the hazard?
• What temperature rating is required for heat detectors used with the elevator sprinkler arrangement?
• As part of closeout documentation, which is specifically turnover to the owner?
• Lockout: What does lockout prevent?
• Beam-type detectors are not normally affected by altitude above what value?
• Which document defines the maximum air transport time for VEWFD in telecommunication facilities?
• Which measures can safeguard employees in spaces protected by a clean agent suppression system?
• In areas protected by clean agent systems, wall partitions should extend from the floor slab to which boundary?
• When refilling foam concentrate storage, leaving space for expansion helps prevent which issue?
• If a room is 54 ft by 54 ft, a single strobe rated 110 cd would meet NFPA 72 requirements. True or False?
• What type of foam generator draws air into the foam solution by using the suction of the flowing solution?
• When is it permissible to combine AC and DC wiring in a common conduit or raceway for a clean agent system?
• What is the minimum specific gravity of foam concentrate that will not mix with water?
• If storage containers are connected to a manifold, what automatic means is required to prevent agent loss and safeguard personnel?
• Which device should not be used for an elevator lobby in a parking garage?
• The statement 'Addressable control panels can learn which devices are in the field and automatically assign their location descriptions' is true or false.
• During a Halon 1301 discharge test, weighing of containers for the agent is required at which times?
• If the door fan test leakage exceeds design parameters, how are leaks located?
• Piping and fittings for clean agent systems are permitted to be welded. When listed threaded fittings are used, what method is followed to prevent leakage?
• True or False: Installation can begin as soon as the product data is submitted for approval.
• A common design feature in fire suppression systems is manual activation. Which requirement does NFPA specify for manual release?
• Which of the following would require an RFI?
• Identify the type of valve required by NFPA 11 for water and foam solutions.
• Before performing any battery test, what must be protected from loss?
• Which NFPA standard number corresponds to Halon 1301 system testing and acceptance?
• Who is responsible to ensure testing is performed for NFPA 72 special hazard systems?
• The RFI primarily serves to?
• Identify an instance where foam of the same type from different manufacturers can be mixed.
• Identify the portion of foam system piping that is not permitted to be galvanized.
• What is the purpose of testing air sampling-type systems?
• Which item represents the essence of the walk-through's content?
• Who is responsible for maintaining the system?
• Product data needs to be annotated in the submittal to clearly indicate which items?
• Which standard edition governs the clean agent system requirements described?
• During simulation testing of destroyed circuits, NFPA 72 requires documentation that the test is noted on the test form.
• Identify the type of foam concentrate storage tank that cannot be refilled during operation.
• For CO2 extinguishing systems, time delays are permitted to be eliminated under which condition?
• Which document is used to request clarifications about discrepancies before proceeding with work?
• Which detector is a line-of-sight device?
• The purpose of the RFI is:
• What was the measured sound level at the hotel security desk farthest from the appliance in the scenario?
• CO2 hazards include which of the following that can cause tissue damage due to cold?
• All foam systems require which capability?
• The interface device for the roof fan should be located within ____ of the fan motor starter.
• Halon system acceptance testing includes which categories?
• Which of the following is a requirement for compressed air foam system regulators?
• What is the proper method for functional testing air sampling-type systems?
• NFPA 72 categorizes an air-aspirating system as which type of detector?
• The piping for a dry chemical system is required to be hydrostatically tested.
• What is the primary purpose of acceptance testing for foam systems?
• Which processing step involves heating copper and then cooling it to increase ductility?
• With a variety of flammable liquids, how can the system designer be sure they select the proper foam concentrate?
• The panels and devices in an addressable system must be listed for use with each other.
• On older fire alarm systems with a single indicator lamp, which method is fastest to identify the grounded circuit?
• Abort switches, if provided in a clean agent system, should be located near what feature?
• When welding pipe for a foam suppression system, is galvanic corrosion between the pipe and fittings a concern?
• CO2 warning signs shall be provided in accordance with which standard?
• How frequently must foam bladder integrity tests be conducted?
• A smoke barrier assembly is required to be protected by a firestop system.
• What is NFPA 11's stance on mixing foam concentrates from different manufacturers?
• Operating devices for clean agent systems are designed to function within what temperature range?
• In special hazard applications, audible alarms in the facility may be silenced.
• What is the recommended initial action after installation?
• A cell voltage test for VRLA batteries must be performed how often?
• Following the CSI MasterFormat, which divisions contain project submittal requirements for a fire protection system?
• NFPA 72 Section 21.2.4 defines the location for relays that control emergency control functions. What is the specified distance?
• When installing clean agent piping, which factors must be considered?
• Where would an employee or employer find information on permissible noise exposures in the workplace?
• How often should foam concentrate strainers be visually inspected?
• Which combination of devices will initiate elevator Phase I emergency recall?
• _____ is critical to properly coordinate all the trades prior to installation. This allows each trade to have an agreed upon space to install their equipment, thereby preventing or minimizing conflicts.
• Which piping material is not permitted for clean agent system piping?
• Special hazards protected by clean agent systems have a maximum exposure time to clean agents as permitted by NFPA:
• What are the typical concentrate concentrations used by ratio controllers in foam systems?
• NFPA 72 requires that visual and audible signals should not confuse those who are hearing or visually impaired.
• Which standard provides the foam concentrate level check frequency?
• When aiming a flame detector, which device may be required to ensure accurate aiming?
• At what interval are service personnel required to clean smoke detectors?
• NFPA 25 Chapter 11 is used to inspect devices and equipment associated with foam-water systems, but the chapter will not address low-, medium-, and high-expansion foam systems; which NFPA code covers those foams?
• During testing of CO2 agent, what must occur?
• In a circuit pathway, an unwanted disconnection from the power source where no current can flow is called an ______.
• Which foam system type is mobile, capable of moving between locations?
• A server room with a false ceiling and subfloor is tested for integrity using a door fan test. What can be assumed from the test results?
• Which NFPA 72 section addresses public mode sound level requirements?
• Which statement is correct regarding foam concentrate piping?
• During inspection of a foam concentrate tank, what quantity condition is verified?
• O&M manuals are typically complex documents that require specialized knowledge to understand.
• Foam bladder tanks must be exposed to a 200 psi hydrostatic test.
• Which automatic fire detector has the fastest reaction time among standard detectors?
• Who has the authority to approve submittals?
• How do manufacturer published instructions relate to NFPA 72 requirements for electric automatic detection?
• For a corridor 18 ft wide, what is the maximum spacing between visible notification appliances?
• Halon 1301 systems are tested under pressure for 10 minutes at 150 psi in increments of how many psi to reach 150 psi?
• Before sampling foam concentrate from a bladder tank, which procedure must be completed?
• Discharge valves in clean agent suppression systems are actuated by what mechanism?
• What is the primary purpose of the final walk-through with the owner?
• A foam system that is moved by hand and used at multiple sites is described as which?
• The dedicated branch circuit for a fire alarm system must supply no other loads. Which option expresses this requirement most accurately?
• During a quarterly inspection, excessive sediment is found in the bottom of the foam tank. What is the proper corrective action per NFPA 25?
• The term for extinguishing agents that are electrically nonconducting, volatile or gaseous and leave no residue is which term?
• What is the term used to describe an addressable control panel's ability to adjust a smoke detector's sensitivity without user intervention?
• Which item is NOT required to appear on the inert gas container nameplate?
• Which condition would cause a permit application to be returned for revision and resubmittal?
• A newly installed system develops leaks within the first 6 months of installation. What should the owner do first?
• What information must be permanently marked on clean agent discharge nozzles?
• A transistor can act as which of the following?
• Which action is specifically recommended to be included in a post-installation walk-through instruction seminar?
• Which NFPA standard and section covers manual release requirements for discharge in clean agent systems?
• A copy of the approved plans must be kept on-site at all times.
• What action is described as being necessary after locating leaks during a door fan test leakage assessment?
• For each elevator or group of elevators, an output is required for recall to the designated level. A second circuit is required for recall to the alternate level, and a third circuit for the elevator warning signal. If the elevators were all served by different hoistways/machine rooms, what would be true about circuits?
• Which edition of NFPA 72 is referenced in the source material?
• For CO2 systems, ASTM A120 and ordinary cast-iron pipe shall not be used.
• A permit application is required for which of the following?
• Which foam system type is typically mounted in a permanent location and uses fixed piping?
• A system with predetermined flow rates, nozzle pressures, and agent quantities is a what type of system?
• For a water mist system with 1½ in. stainless steel pipe, the minimum bending radius is:
• How often is the foam concentrate level checked for refilling?
• All materials in the fire protection system must be listed and approved.
• Some devices are able to be addressed using rotary dials. If so, the first (left) dial represents the __________ and the second (right) dial represents the __________.
• Foam-water discharge devices must be visually inspected and maintained to ensure which of the following?
• Spot-type smoke detectors spacing in high air movement areas shall be reduced if the airflow exceeds how many changes per hour?
• Which NFPA standard provides guidance on concentrate piping galvanization restrictions for foam systems?
• Under which scenario are automatic valves in fire suppression systems not tested?
• Non-power-limited circuit conductors are required to have conductor insulation suitable for up to ______ volts.
• During system maintenance of a clean agent system, it is common practice to remove the solenoid operated actuator from the agent storage container discharge valve.
• Identify a method to ensure an elevator is de-energized before sprinkler system activation in an elevator shaft.
• What is the permissible noise level duration when exposed to a 100 dBA sound level?
• Which option best describes the scope of the AHJ enclosure testing report?
• If a fire alarm panel loses primary power, it must switch to the secondary power supply within how many seconds?
• During visual inspection of foam concentrate strainers, which condition must be verified?
• Indoors, cylinders stored must be located at least how far from combustible materials?
• Which component is used to limit current flow in an electrical circuit?
• Prior to acceptance testing, the piping of a dry chemical system must be checked for which condition?
• If a supervising station loses primary power, how long does the secondary power have to switch over to be within compliance with NFPA 72?
• Which item is NOT typically included in the stated closeout items?
• In the event of a service intervention, what is the safest practice for handling concentrate labels?
• The interconnections between fire suppression systems that perform emergency control functions are governed by which standard?
• Pneumatic leaks can be discovered by applying a soapy water mixture to suspected areas of leakage.
• What is the frequency for visual inspection of dry cell batteries?
• Identify the types of automatic messages permitted for Emergency Communication Systems.
• The project submittal should include which of the following?
• What methods are used to determine the condition of the batteries after testing a panel?
• To ensure a fuse protects the circuit conductors and components, it must be wired in series with the circuit.
• The best test equipment to test conductor insulation?
• If mechanical actuation of the clean agent suppression system is possible, which device is required?
• A water mist system air test must be conducted for _____.
• Which level of pathway survivability defines pathways that are fully sprinkler-protected and have interconnecting conductors protected by metal raceways?
• Pre-discharge alarms are required to be located outside the enclosure.
• Air sampling smoke detectors are generally regarded as the most sensitive, using piping to draw in smoke from the area.
• When a conflict arises between a code and a standard, the more stringent rules are typically followed.
• Requirements for trade coordination are indicated in which document?
• Why is air introduction into the foam solution required?
• During the walk-through, which practice should occur with documentation?
• The main purpose of an O&M Manual is to provide which of the following?
• Galvanized pipe shall never be used on wet chemical systems.
• Halon system acceptance testing shall include which items?
• For Halon 1301 systems, the pipe thickness calculation is based on which factors?
• Which additional tool is sometimes used to aid aiming a flame detector besides an angle finder?
• Determine the correct level when refilling foam concentrate storage containers.
• Besides using an angle finder, what additional instruction should you follow when aiming a flame detector?
• Total flooding CO2 systems are permitted to be installed in normally occupied enclosures.
• Valves installed in foam systems designed for automatic operation shall be what?
• What is the purpose of an OSHA Safety Data Sheet (SDS)?
• Pre-discharge alarms must have a minimum decibel rating of which value?
• Which NFPA standard governs the installation of electric automatic detection in clean agent contexts?
• Where should foam fire suppression bladder tanks be located in relation to the hazard?
• Prior to acceptance testing of a dry chemical system, the piping must be physically checked for which of the following?
• Which hazard is associated with CO2 exposure that reduces visibility?
• Which NFPA standard governs Halon 1301 system testing procedures cited in the material?
• Under what conditions should an HVAC duct detector send an alarm signal instead of a supervisory signal?
• Hazards to personnel for fixed-aerosol fire extinguishing systems are addressed in which NFPA document and section?
• The foam system type that uses a pressure vessel and bladder is which?
• What is the required duration of the secondary power supply for operation of the system's detection, signaling, control, and actuation?
• NFPA 72 Section 17.15.6 specifies the installation height for which device?
• In re-entry into a foam-filled building during an emergency, which respirator is required?
• Foam system piping tests are conducted at a standard pressure of 200 psi. For systems that operate above 200 psi, how is the test pressure determined?
• Before installation, the system designer uses a site survey to satisfy which NFPA 72 requirement?
• Which NFPA code governs the inspection of foam-water system devices?
• Lockout preventing CO2 discharge is specified by which NFPA standard?
• Firmware storage is in non-volatile memory such as ROM, EPROM, or flash memory.
• When sizing a non-square room for strobe rating, which dimension is used to determine the room size on the table?
• What is the function of a diode?
• Enclosure integrity is critical for which type of system?
• In a change order, which item describes the proposed modification in detail?
• Duct smoke detectors are allowed to have tubes protruding into the air duct to sample the air stream.
• What do proportioning devices regulate in foam-water systems?
• How does proper coordination affect installation and operation?
• Which type of foam system is characterized by fixed nozzles with permanently installed pumps that pipe foam from a central location?
• NFPA 72 does not have any requirement to provide notification to occupants or staff of a building.
• Clean agent systems are puff tested to ensure agent will flow unobstructed through discharge nozzles. What gases are permitted for this test?
• Coordination requires involvement from which trades?
• For initial system acceptance testing, which document would you consult for testing methods?
• What is the main purpose of coordination?
• What term describes an extinguishment that is electrically nonconducting, volatile, or gaseous and leaves no residue after evaporation?
• Which NFPA 72 table provides information on testing audible notification appliances?
• How often must foam concentrate tank contents be evaluated for accuracy against design requirements?
• If the AHJ requires a professional engineering seal for a complex system, which statement is accurate?
• In an ideal transformer, the VA rating on the primary equals the VA rating on the secondary.
• What device reduces the input voltage to a lower voltage in an electrical circuit?
• After loss of secondary power, within how many minutes must egress doors unlock?
• Which statement about IBC use and occupancy classifications is not true?
• Which of the following is a term some manufacturers use for a maintenance condition when a smoke detector sensitivity is out of range due to dirt?
• Where must the label 'Smoke Detector Sampling Tube - Do Not Disturb' be placed on air sampling piping?
• The month/year of manufacture for VRLA batteries must be visually inspected how often?
• What is drift compensation?
• What is the correct elevation range for installing manual alarm stations under NFPA 72 2019?
• Which label should be applied to air sampling piping to indicate it should not be disturbed?
• Radiant energy fire detectors such as flame and ember detectors are commonly found in special hazard suppression systems. Determine how technicians know the proper procedure to test these detectors.
• Which statement about electromechanical relays is true?
• In a CO2 operational test, nondestructive tests are required on detection devices and actuation devices.
• Which type of fill and drain valves are allowed in foam systems for fire suppression?
• NFPA 11 edition cited for foam concentrate types in the material is which year?
• If the AHJ requires a professional engineering seal for a complex system, it is acceptable to submit a NICET IV stamp as an alternative.
• What must be true of the test smoke used to test detectors?
• In unsprinklered hoistways, what is the permitted use of smoke detectors?
• In the context of cross-manufacturer compatibility, what data does the AHJ typically rely on?
• What is the main reason beam-type detectors are used in large open spaces?
• UV detectors utilize which two detection principles?
• A transformer with more turns on the secondary than the primary is called a step-up transformer.
• Discrepancies between plans and specifications should be resolved using which tool?
• In elevator shaft protection, where should a heat detector be located relative to the sprinkler head?
• Which party is typically responsible for reviewing and approving submittals before construction proceeds?
• A building has five elevator cars controlled by one machine room using a single large hoistway. What is the minimum number of circuits required for the elevator fire alarm recall and warning system?
• Where must pre-discharge alarms be located?
• A heat detector used to shut down an elevator can be located no more than ____ ft. from each sprinkler head.
• What is the primary purpose of a check valve in a storage manifold?
• Carbon monoxide concentrations as low as which value can cause headaches, nausea, and dizziness after 45 minutes of exposure?
• The secondary power supply for an emergency voice/alarm communications system must operate for how long in normal standby mode and then for at least how long in a fire or other emergency condition?
• The hoses attached to CO2 systems are tested in addition to system piping. When conducting a hose test, how long shall the hydrostatic pressure take to reach the test pressure?
• How is the percent per foot obscuration of a smoke detector determined during sensitivity testing?
• A double-throw switch has a contact that can be connected to two other contacts. Which option below correctly reflects this characteristic?
• Which standard edition governs the requirements for foam concentrate level checks, as cited in the material?
• In the described room, the wall-mounted strobe is centered on which wall?
• Select the scenario in which fire suppression system agent discharge is delayed.
• Which action helps prevent loose objects from becoming missile hazards when a clean agent system discharges?
• A contractor is permitted to incorporate design changes under what condition?
• Table 14.3.1 in the referenced standard primarily lists procedures for what?
• When replacing a valve tamper for a dry system, what signal would you expect from the control panel?
• Who is authorized to refill foam concentrate storage containers for foam systems?
• Upon final acceptance of the system by the AHJ, the Record of Completion is used to document acceptance. The technician conducting these tests submits the completed form to which parties?
• Where are the proper procedures for collecting a foam concentrate sample found?
• Which edition of NFPA 72 is referenced for testing and notification requirements in these guidelines?
• Which document generally defines how trades should coordinate work on a project?
• Who is required to evaluate concentrate samples taken during periodic inspections?
• During sensitivity testing, we may not use an unmeasured amount of smoke or aerosol to test the smoke detector(s).
• What percentage inert agent loss requires refilling?
• Which best describes the two primary operating devices in clean agent systems?
• How is the measurement for air flow characteristics, as shown in NFPA 72 design documentation, obtained?
• The annual inspection requirement for bladder tank storage around foam concentrate leakage is specified by which standard and year?
• The off-normal signal for a pressurized water tank device is initiated when pressure changes by how many psi?
• NFPA 72 governs which category of systems?
• Pre-discharge alarms are required to have a minimum decibel rating of 90 dBA.
• Which statement about pull stations is NOT a stated requirement?
• Firestop systems shall be tested in accordance with which standard?
• Flame detectors require an unobstructed view to function properly. Which condition would prevent proper sensing?
• Mechanical heat detectors are typically lower in cost than electronic heat detectors and are also typically able to be reset after signaling an alarm.
• Which organization publishes the standards referenced in these materials?
• If a recommended resolution to an issue is known, how should it be addressed in the RFI?
• Which type of valve is required by NFPA 11 for foam suppression systems?
• Which operating mode requires the minimum SPL to be 15 dBA above the average ambient or 5 dBA above the maximum, whichever is greater?
• Where is the information indicating units used in NFPA codes and standards located?
• A Class B pathway is a redundant circuit. True or False?
• Which term describes a foam system designed to be moved and operated manually to different locations?
• Intermediate and high-pressure water mist systems require two pressure tests. What is the initial test duration, and the duration of the working pressure test that follows?
• During an inline balanced pressure proportioner inspection, a corroded strainer is categorized as a(n) ____.
• Halocarbon extinguishing agents require refilling when the loss of agent quantity exceeds what percent?
• Line-type heat detectors operate by which mechanism?
• How often is the inspection of water around a bladder tank storage required to check for potential concentrate leaks?
• Work can begin prior to obtaining a permit, once the application is submitted.
• A rate-of-rise heat detector will signal an alarm only when the temperature in the monitored area reaches a predetermined threshold.
• What is a disadvantage of a circuit breaker compared to a fuse?
• For a high-pressure water mist system, the minimum time for a hydrostatic test is which of the following?
• Which statement about fittings in clean agent systems is correct?
• When one of the smoke detector's sensitivity level is out of its listed range because it is too dirty to be adjusted any longer, what indication will the control panel display?
• Where would one find guidance concerning the design, maintenance, and operation of door fan test equipment?
• Which NFPA edition and section addresses refilling halocarbon extinguishing agents when agent loss exceeds 5%?
• An abort switch in a clean agent system must be a type that requires what to cause the abort?
• NFPA 2001 2018 is the standard that provides the minimum pipe design pressure for HFC-227ea when the container pressure is 249 psi.
• Which NFPA standard provides the symbols used on system drawings for devices and appliances?
• When copper tube is used in a water mist system, the thickness must be which of the following?
• Some buildings with a fire alarm system will also have a fire suppression system. What is required when both systems are installed?
• After cleaning a smoke detector, you must test the sensitivity again.
• Rescue personnel entering a space after low and medium expansion foam discharge must use lifeline and what equipment?
• On the permit application, which item is required to be stated?
• When a field conflict arises, what action should a contractor take?
• In the event of a short on a notification appliance Class A circuit, what signal is generated?
• NFPA 72 Section 7.3.2 concerns which output of a site survey?
• After completion of acceptance testing, the foam system shall be flushed.
• What type of device is used to alert abnormal levels or positions in systems such as water storage tanks?
• Which of the following items is typically included in a project submittal?
• How often do you inspect the location of foam discharge devices (spray nozzles)?
• In NFPA 72, testing procedures for verifying the circuit integrity of copper conductors are found in which table?
• Which item is NOT directly listed as part of the VRLA battery visual inspection items?
• Dry chemical system tests are required to be conducted in a manner that does not expose the system to moisture that may cause corrosion. Which type of test is not permitted for pressure testing?
• Which standard is typically used to guide door fan test equipment guidance and procedures for clean agent systems?
• What is the maximum air transport time for VEWFD facilities per NFPA 76?
• Which statement best describes the A/E review?
• Panel manufacturers have adopted a common communications protocol so that all addressable systems may use any addressable device required to get the system up and running.
• When simulating testing of circuits and functions that are destroyed, such as mechanical heat detectors, NFPA 72 requires which of the following?
• In dry chemical systems, which pipe material is allowed?
• Which entities publish recommendations associated with cylinder recharging?
• What action does NFPA 75 require for IT room ventilation equipment when a clean agent is discharged?
• If each elevator has its own hoistway and machine room, what is true about the required circuits for recall and warning?
• In a photoelectric spot-type detector, what event triggers the alarm?
• Which statement best describes the testing sequence for intermediate and high-pressure water mist systems?
• What is the purpose of a Safety Data Sheet?
• If caulking is listed, can it be used on any system?
• During the initial enclosure evaluation, what quantity must be determined?
• The installation wiring between the fire alarm control unit and the emergency control function interface device shall be Class A, Class B, Class D, Class N, or Class X according to which standard?
• NFPA 72 Annex D provides mandatory requirements for testing and measuring speech intelligibility of emergency communications systems.
• For the classification of wiring between the fire alarm control unit and the emergency control function interface device, which of the following is NOT a valid Class option?
• If an energy storage system (ESS) will be used as a secondary power supply for a fire alarm system, the ESS must be configured in accordance with which standard?
• While servicing a foam system, you discover a low concentrate level, but the owner does not have installation documentation with the concentrate type. How do you determine which concentrate type to use?
• Which type of relay has no moving parts?
• Audible and visual alarms designed to warn of an impending clean agent discharge are called what?
• What is required by NFPA 72 concerning the function of associated equipment?
• According to NFPA 72 2019 Section 17.13.2, within how many seconds must a sprinkler waterflow alarm activate after initiating sufficient flow?
• In private mode, the minimum SPL must be the greater of 10 dBA above the average ambient or 5 dBA above the maximum sound level with a duration of 60 seconds or greater. If the average ambient is 23 dBA and the maximum is 34 dBA, what is the minimum SPL required?
• Which NFPA standard governs clean agent fire suppression systems?
• Which statement is true about elevator recall activation regarding detector locations?
• High pressure CO2 systems require Schedule ___ or ___ pipe, depending on the pipe size.
• Which entity is responsible for maintaining the system?
• Which information is required in the AHJ's enclosure testing report?
• An electromechanical or solid-state relay is a _____ operated switch.
• Who should be notified if service personnel observe changes to the occupancy that negatively affect the operation and ability of notification appliances to alert occupants to the presence of a fire?
• Which statement about short circuits on Class X circuits is true?
• Which of the following training topics should be included for personnel working in a clean-agent enclosure?
• What is the hydrostatic test interval for CO2 high-pressure cylinders per NFPA 12 2018?
• The permit application must contain the following: Building name and Building address.
• In a hotel security station scenario with ambient 23 dBA and maximum 34 dBA, and a measurement of 43 dBA at the desk farthest from the appliance, what operating mode is this area and does it meet NFPA 72 requirements?
• If the foam concentrate bladder is replaced and no foam concentrate is onsite, within how many hours should a reserve supply be delivered?
• Which standard is referenced for firestop system testing?
• Which test determines the integrity of an enclosure according to NFPA 2001?
• Which organization provides recommended practices for cylinder recharging along with the DOT and OSHA?
• If fire is detected on the designated elevator exit level, what action must the elevator recall function take?
• Which publication addresses materials safety in clean agent suppression systems in the 2018 edition?
• Foam-producing equipment that has a self-propelled unit is a _____.
• Air sampling detectors are not prone to nuisance alarms.
• Where would you find the inspection frequency for sealed lead-acid batteries?
• At the completion of acceptance testing for a wet chemical system, either ___ or ___ is provided to the owner.
• Rooms with high ceilings require heat detector spacing to be reduced at elevations within which range?
• Which NFPA 72 2019 section specifies the minimum height for a pull station's operable part above the finished floor?
• Engine-driven generators are permitted to supply secondary power to fire alarm systems, but not primary power. Is it permissible to supply primary power with an engine-driven generator?
• In a corridor 20 ft wide or less, visible notification appliances must be spaced no more than what distance?
• After replacing one horn/strobe, what must be done before leaving the premises?
• A wire-to-wire short on a Class A circuit used for notification appliances or addressable signaling line circuits will cause which signal at the control panel?
• Which statement about the Sequence of Operation Matrix describes its use is NOT true?
• A notification appliance circuit develops an open fault; NFPA 72 requires the fault to be indicated at the control panel within how many seconds?
• In the NFPA 72 citation, which section accompanies Table 14.4.3.2 for initiating devices testing?
• In a fire alarm system, what is the action described by the term 'supervision' in fire alarm systems?
• For a room that is 54 ft by 54 ft, what minimum candela rating would be required for a single strobe to meet NFPA 72 requirements?
• Which statement about RFIs is true?
• During a preliminary functional test of a clean agent system, the agent storage container release mechanism must be _____.
• RFIs can be communicated either in writing or verbally.
• Prior to functional testing, which semiannual visual inspections are required for air sampling detectors?
• During an annual inspection, a small addition increases the enclosure volume. What action should be taken?
• If an electric actuator must be removed from a clean agent cylinder for maintenance, what indication should appear on the control panel?
• Pull stations are red in color.
• Which device is not allowed to initiate Elevator Phase I recall?
• Which circuit designations are redundant circuits?
• When comparing two-wire and four-wire smoke detectors, which statement is true?
• The heat detector in an elevator hoistway must have a setting relative to the sprinkler head rating. It must be set:
• While performing a monthly inspection on an orifice plate proportioner, you need to verify the pressure vacuum vent is operating freely.
• Which NFPA 72 operating mode is defined as an area where someone is at a constantly attended location at one or more locations and is concerned with implementing emergency actions?
• Enclosure integrity is critical to which outcome?
• What is the general requirement for foam systems to function properly?
• What is the main purpose of the O&M Manual?
• When conducting a VRLA battery test per NFPA 72 Table 14.4.3.2, you need to perform the tests in the order specified by the table.
• What is the purpose of a puff test for a clean agent system?
• Which component must be checked as closed and plugged during visual inspection of foam concentrate strainers?
• In a cross-zoning setup with two flame detectors, the fire alarm control panel is configured for a ______ configuration.
• What is the maximum pull permitted for a manual control in a clean agent system?
• Which device is required to prevent unwanted discharge in clean agent suppression systems?
• At the end of a pneumatic test for a Halon 1301 system, the pressure drop shall not exceed ___ of the test pressure.
• The requirements for submittal are indicated where?
• Which types of foam systems are permitted by NFPA 11?
• Where in NFPA 72 would you find the testing requirements for two-way communications equipment?
• Relays that control emergency control functions are located within what distance of interface equipment?
• What is the maximum mounting height for audible notification appliances according to NFPA 72?
• Which statement best reflects where fire protection submittal requirements are found in CSI MasterFormat?
• A lobby smoke detector is required to be placed within ____ of the centerline of the elevator door.
• Video smoke detection can detect smoke in which ways?
• Which table in NFPA 72 provides permissible noise exposure durations?
• Identify a common characteristic for all automatic fire suppression system detection equipment.
• Where should you look to resolve conflicts using coordination drawings?
• Which NFPA standard and year governs the heat detector near sprinkler heads in elevator shafts?
• Which table defines the deficiency category used for equipment like corroded strainers in foam systems?
• If you replace the bladder and need a reserve supply, delivery within how many hours is required?
• To identify a ground fault in a circuit, which test instrument is most appropriate?
• What voltage level requires training and PPE to prevent electrical shock injuries?
• When testing initiating devices attached to a fire suppression system under NFPA 72, which table provides the required testing frequencies and methodologies?
• Before conducting any battery test, verify that all system software stored in volatile memory is protected from loss.
• The A/E review focuses on which aspects?
• What is the maximum spacing allowed between runs of air sampling piping?
• A vacuum induction proportioning system does what to the pressure in the foam concentrate proportioning inlet tube relative to the system flow passageway?
• A transformer with 100 turns primary and 200 turns secondary, 600 VA rating, 120 V input, what will be the output voltage and current?
• Special hazard systems are tested to demonstrate proper operation per NFPA 72 requirements. At which point in the testing process is the AHJ notified?
• To prevent unwanted system operation, a disconnect switch is permitted to interrupt which circuit?
• Which NFPA standard governs the hydrostatic test for foam piping?
• As-built drawings are required to:
• Which statement best describes the replacement of a lead-acid battery?
• Testing equipment and devices for initial system acceptance by the AHJ may require special tools. Where would you find a description of the methods required for testing?
• Special hazard systems are designed to protect which of the following?
• Acceptance testing requires visual inspection to ensure installation per plans according to which NFPA standard and chapter?
• Which OSHA standard governs the safe use of hand tools in construction?
• Abort switches in fire suppression systems are subject to which requirement?
• When submitting a transmittal as a cover sheet, which elements must be included?
• Which statement is correct regarding foam concentrate piping?
• Building and fire codes are enforced by state statutes and regulate construction and safety.
• The area beneath and surrounding a foam-water spray system must be inspected to ensure that drainage facilities are not blocked and retention embankments are in good repair. This statement is true or false?
• Pre-discharge alarms must be pneumatically powered.
• Test smoke is used to ensure entry into a detector's sensing chamber for an alarm response. Identify a NFPA 72 test method requirement when using test smoke.
• O&M stands for which of the following?
• Ultraviolet detectors utilize detection principles that sense radiation. Which two detection principles are used in ultraviolet detectors?
• A diode is a component that permits current to flow through it in only one direction.
• All foam systems must be discharged to pass an acceptance test.
• Which action should be performed on walk-through documents?
• Which statement best defines as-built drawings?
• Discharge nozzle markings must include which information?
• Which NFPA document contains the table listing the frequency of foam concentrate sampling?
• Which test verifies that a clean agent system will discharge through nozzles unobstructed and that control valves are in the proper position?
• When a fire area is protected by a water mist system, hazards include which of the following?
• Non-power-limited fire alarm circuits and their requirements are discussed in which code?
• What is the listed spacing for spot-type smoke detectors according to NFPA 72?
• Two-wire smoke detectors and four-wire detectors: which statement is true?
• Not a permitted automatic message type for Emergency Communication Systems.
• Select NFPA 72 requirement for visual appliances with photosensitive epilepsy.
• True or False: A detector fails a sensitivity test when within 5% of its upper listed sensitivity range.
• According to NFPA 750 2019, copper tube used in water mist systems must be Type L.
• When submitting a change order, which items should be included?
• A fire alarm system in which detectors report alarms using digital communications protocols in a signaling line circuit is called an addressable fire alarm system.
• The NFPA 72 standard cited refers to which edition?
• In fire suppression systems, which detector type is used for rapid detection to help extinguish fires before growth?
• A water temperature switch is a type of ______ device used to alert us to an abnormal condition.
• What procedure is required when downloading a new database to a fire panel?
• Which NFPA standard governs fire suppression agents in cylinders and cites DOT requirements for recharging?
• An area in the public mode has an ambient sound level of 35 dBA and a maximum sound level of 40 dBA. During an acceptance test, at the desk of the area supervisor, you measure 48 dBA. Does this meet NFPA 72 requirements?
• Fire alarm systems powered from a commercial power and light service must have which type of branch circuit?
• Are Annex materials mandatory in NFPA 72?
• How is the expansion of foam determined in a proportioning system?
• Changes to the system executive software shall require a __________ functional test of the system.
• Enclosure integrity testing retention calculations consider which aspects?
• NFPA 72 requires notification prior to testing to prevent an unnecessary response to alarms. Who is required to be notified prior to testing?
• A row of detectors is required within how many inches of a ceiling peak?
• VRLA stands for Valve Regulated Lead-Acid. Which of the following is the correct full form?
• In a step-up transformer, doubling the output voltage results in approximately halving the output current, assuming constant VA.
• Which component allows an electric current to be switched on or off when a small electric current is applied to its base?
• Why are canister-type gas masks not permitted for re-entry into foam-filled buildings?
• For personnel working in an enclosure protected by a clean agent, training must cover which topics?
• Abort switches for a Halon system shall be which of the following?
• Which NFPA section specifies that pressure must be safely released before sampling foam concentrate?
• Electrically locked doors in a __________ shall unlock in the direction of egress where required by other laws, codes, and governing standards.
• What method does DOT require to indicate that containers are safe for transport and have passed visual inspections?
• NFPA 72 Section 21.2.9 governs the interconnections between which systems?
• Which NFPA standard governs listing of materials in a fire protection system?
• A rate-of-rise heat detector will signal an alarm when the temperature in the area rises rapidly, usually about 15 degrees F per minute.
• Which statement best describes the purpose of elevator recall?
• Product data annotation items must include Model, Size, Finish, and Orientation. Which option correctly reflects this requirement?
• In environments with high ambient noise levels, what is required?
• Which term describes a circuit with lower resistance than normal due to unintended contact between components?
• Which standard governs CO2 warning signage?
• A wire-to-wire short on a Class X circuit will cause what signal at the fire alarm control panel?
• A halocarbon agent contains which elements?
• Foam systems for fire protection are inspected per NFPA 11. Which foam types are governed by NFPA 11?
• An air-aspirating system is categorized by NFPA 72 as which type of detector?
• What is the correct relationship between a fire stopping material and the barrier it penetrates?
• Power-limited fire alarm circuits may not be in the same cable, cable tray, enclosure, or similar fitting with conductors of _____.
• Which NFPA standard covers visual inspections of smoke and heat detectors?
• Which two time components make up the hydrostatic test duration for high-pressure water mist systems?
• Which type of conductor is more resistant to vibrations?
• Are heat detectors permitted to activate the elevator recall function in the described system?
• Which statement about building and fire codes is true?
• Clean agent storage containers are permitted to be located within or outside the hazards they protect. Which option correctly reflects permissible locations?
• Photoelectric spot-type detectors operate using the ______ concept.
• Firmware is __________ that is not accessible and provides control, monitoring, and data manipulation of the system.
• An auxiliary relay to shut down the HVAC system from the fire alarm control panel must be located within how many feet of the HVAC system?
• Which entity should receive the Record of Completion after final AHJ acceptance?
• NFPA 11 requirements do not allow foam concentrate types to be mixed. Why is this requirement included?
• What is the minimum distance from the finished floor that a pull station operable part may be located?
• If a detector fails a sensitivity test, what action should be taken?
• Galvanized pipe for wet chemical systems is permitted if specifically listed.
• During proportioning system testing, a minimum of _____ sprinkler heads must be flow tested for a preaction system.
• Are cast-iron fittings and Class 150 fittings permitted in clean agent systems?
• For a clean agent test, the pipe must be pressurized to what value?
• What term identifies the boundary layer between the clean agent and the air that declines as leakage occurs?
• Which statement about RFIs is correct?
• In a foam concentrate tank, what component separates concentrate from water?
• What is the primary purpose of enclosure integrity testing for clean agent systems?
• What percentage weight loss triggers a recharge for high-pressure CO2 cylinders?
• What is the term for monitoring detector and notification appliance circuits for faults?
• A new code becomes law when:
• Special hazard suppression systems are designed to protect equipment or processes. When does NFPA 72 require occupants to be notified prior to testing these systems?
• Which statement about RFI usage is NOT typical?
• What edition year is cited for NFPA 12A in the Halon 1301 testing procedures?
• Battery life is dependent on which factors?
• When two or more automatic fire detectors in two separate zones both sense fire in the same area, this is known as __________.
• Which document provides guidelines for battery inspection frequencies and testing mentioned in these scenarios?
• Measures are required to limit exposure to clean agents to how long?
• RFIs mainly serve to seek clarification and information; which statement is true?
• In a transformer, the VA rating on the primary is equal to the VA rating on the secondary.
• Which of the following best describes as-built drawings?
• Smoke detectors in unsprinklered hoistways can only be used to:
• What is the process called when copper conductors are heated to over 700°F (371°C) and then cooled to improve flexibility?
• A common method described for measuring speech intelligibility is the emergency communication industry test signal.
• What is the maximum air transport time allowed for air sampling-type systems?
• Penetrations through required fire-rated assemblies shall be fire stopped with a listed fire stopping material that has a fire resistance rating equal to the penetrated barrier.
• Which NFPA standard and section addresses AHJ reporting requirements for enclosure testing?
• If asked which section addresses private mode sound level requirements, which NFPA 72 section applies?
• Good coordination is the responsibility of:
• Which party requires testing documentation for air sampling-type systems prior to acceptance testing?
• UL is an approved manufacturer for fire stop systems.
• Spacing of visible notification appliances in corridors up to 20 ft requires that visible appliances be placed not more than 15 ft from the end of the corridor.
• Which item is explicitly included in the walk-through seminar after installation?
• Who is responsible for completing and signing the contractor's material and test certificate for medium-expansion foam systems?
• What is the maximum time period to replace a lead acid battery?
• Which items must appear on the permanent nameplate of inert gas clean agent containers?
• The foam fire suppression system that uses a pressure vessel and concentrate bladder is what type?
• Who bears responsibility for maintaining good coordination on a project?
• What type of test must be conducted on a Halon 1301 system?
• Electronic heat detectors utilize ______, which are electronic components that change resistance based on ambient temperature.
• When using Annex D to test speech intelligibility, which is the other test method besides microphone input?
• Which NFPA section covers drainage and flushing of a foam proportioning tank due to sediment?
• What must floor drains have in clean agent protected enclosures?
• Who is responsible for completing and signing the contractor's material and test certificate for medium-expansion foam systems?
• A foam concentrate tank fitted with an internal bladder is a what type of tank?
• A relay is a common device that operates dampers or shuts down equipment. When installing relays, the control interface is required to be located within ____ of the equipment being controlled.
• In a clean agent system, which component is required to control the timing and release of the agent during discharge?
• In fire suppression systems, what is the function of an electromechanical solenoid?
• NFPA 2001 provides what about door fan test guidance and testing procedures?
• Which agency requested NFPA develop NFPA 70E - Standard for Electrical Safety in the Workplace?
• All systems shall be protected against freezing, flooding, corrosion, or other forms of damage prior to acceptance by the owner.
• Is a software-programmed disconnect allowed as a substitute for a physical disconnect switch in a clean agent system?
• Which system requires a 24-hour air test?
• The spacing of air sampling-type detectors is determined by which factor?
• During the initial enclosure evaluation, how are large, solid objects treated to determine volume?
• All types of foam systems require which capability?
• What procedure is required for any halocarbon agent left in the cylinder prior to recharge?
• Foam-water system tests include a hydrostatic test at 200 psi. During this test, how long must the system maintain pressure with no loss?
• Which document and section cover restrictions related to materials for clean agent suppression?
• The minimum pipe design pressure for halocarbon clean agent HFC-227ea, with an agent container pressure of 249 psi is _____.
• In a solenoid, which component is attracted by the magnetic field to produce mechanical motion?
• What is a stated requirement for technicians who service fire alarm control panels?
• During refilling, the gauge shows psi while the manual lists bars. How should you determine the proper pressure?
• To convert the electrical signal from an addressable control panel into light for transmission between buildings, and then back to electrical energy for use, you would use a __________.
• NFPA 11 governs the design and inspection of what type of fire protection system?
• Which statement best describes when a new building code becomes enforceable law?
• An RFI is a _____.
• MEP stands for:
• A non-latching push button switch is sometimes called a __________ switch.
• Abort switches, if provided, should be located near which feature?
• Which of the following items is included in the enclosure testing report to the AHJ?
• Which item represents the closeout turnover to the owner?
• A photoelectric beam-type smoke detector is mainly used in areas such as __________.
• Which NFPA standard edition addresses wet chemical systems regarding galvanized piping allowances?
• In a single-riser foam system, where is the water source feeding the bladder located relative to the system control valve?
• Which three circuit types are required for an elevator group recall and warning system?
• Control circuits that shut down elevator power must be monitored for what condition?
• A system of foam-producing equipment that is moved by hand is a _____.
• Which statement about pre-discharge alarms is true?