Sprinkler Fitter Pro Practice Test

These questions are part of the practice quiz. Start practicing

• During an air leakage test on pre-action systems tested at 40 psi, allowable pressure loss is up to how many psi?
• What is the purpose of a quick opening device?
• What is the maximum protection area for standard sprinklers in light hazard, unobstructed construction?
• AHJ stands for what in the NFPA 20 context?
• How often should a visual inspection for signs of water on electrical parts of a pump assembly be performed?
• At what intervals shall compress air foam generating equipment and accessories be inspected?
• For combined dry-pipe pre-action systems, provision shall be made for the manual operation of the detection system at locations requiring not more than ______ travel.
• NFPA 13R aims to allow occupants to escape in case of fire for how many minutes?
• Foam concentrate solution shall be tested at what interval?
• Opening a post indicator valve until tension is felt is primarily to verify what?
• Which condition triggers the need for an auxiliary drain valve on a wet pipe system?
• During a flow test on a fire hose connection with a pressure regulating device in place, what parameter should be recorded on both the inlet and outlet sides of the device?
• In hydraulically designed sprinkler systems, which factor primarily governs the maximum sizes and counts of piping components?
• In NFPA 22, the water level in the tank shall never be more than how many inches below the designated fire service level?
• In a dry pipe system, during testing, the quick opening device must be in what state?
• Dry pipe valve shall be tested every how many years and whenever the system is altered?
• The standpipe system demand shall be based on the design criteria in effect at the same time of __________
• Pumps shall furnish not less than 65 percent of the total rated head. Which option represents the correct percentage?
• In areas with seismic activity, the tops of risers exceeding 3'-0" in length shall be provided with which brace?
• To verify that all mechanical and electrical components of a foam system are functioning, at what frequency should the discharge test occur?
• What type of system contains water for immediate discharge from sprinklers opened by heat?
• A test of the diesel fire pump shall be conducted without flowing water. The pump shall run for a period of:
• The full-flow test interval for pressure regulating devices on manual standpipe systems is specified as which?
• NFPA 13 states miscellaneous storage on racks up to how many feet tall?
• When a suction tank supplies a fire pump, the control valve should be located as close as possible to the ___________.
• Foam water solution shall be tested every:
• Which sprinkler system type uses open sprinklers that discharge water simultaneously when water enters the system?
• Post indicator valves shall be spring or torsion tested ______.
• What is the maximum pipe size (in inches) that must be non-corrosive?
• Which statement is true regarding the use of reconditioned valves and devices in existing systems?
• Class III standpipe outlets have which diameter combination?
• Which term describes a sprinkler system where cross mains run parallel and are interconnected by multiple branch lines?
• Which type of sprinkler was described as standard response pendent?
• Which condition is NOT a listed weekly verification for master pressure-regulating devices?
• Friction loss is always expressed in which unit?
• Which frequency should a full-flow test on a master pressure regulating device be performed, and what should be done with the results?
• NFPA 13 requires a fire department connection for all sprinklered buildings, including those with dry-systems, except single-story buildings not exceeding ______ square feet.
• The objective in NFPA 13R is to allow occupants to escape in case of fire for how many minutes?
• Which K-factor value is acceptable for sprinkler nozzles in commercial cooking equipment ducts?
• What is the minimum height off the floor for the fire pump controller?
• Which glycol is used in factory premixed antifreeze solutions?
• Which ceiling type is described as not being obstructed construction?
• Which components are included in the five-year internal inspection requirement for system valves?
• What action should be taken after performing a flow test on a hose connection pressure regulating device?
• Which order is used to set the K-factor value for cooking equipment nozzle in the alternate formulation?
• A temporary standpipe used during construction must be at least _______ in diameter
• In ceilings finished with metal lath and plaster, what is the maximum pipe size that may be supported by a toggle?
• Pumps shall not furnish not less than _____ % of total rated head
• A class 1 standpipe shall provide _______ hose connections to supply water for use by fire departments and those trained in the handling heavy fire streams
• To prevent jamming, post indicator and OS&Y valve, from the fully open position, shall be backed off by how much?
• When the water supply can not provide a flow rate of 150% of the pumps capacity, a placard with the ______ shall be placed in the pump room.
• Where should the hydraulic design information sign be located in systems with semiautomatic standpipes?
• What is the standard unit used to express the flow rate for an FDC inlet?
• According to NFPA 20, what is the minimum number of water tanks required as the primary source in a very tall building?
• Which option lists water metering devices used for flow testing?
• When swapping out pressure gauges, it is important to verify that the arrow on the 3-way valve is pointed in the proper direction before removing the gauge and once the gauge is removed. The 3-way valve must be flushed adequately so any debris that may have accumulated does not end up in the new gauge.
• What is the minimum duration for hydrostatic testing?
• Compared to steel pipe, CPVC has how much hydraulic friction?
• Equipment approved for fire sprinkler installation must be _______.
• To satisfy testing requirements, how often must a foam discharge test be executed to verify system components?
• How often shall foam systems be tested with a foam discharge into the system piping in order to check all mechanical and electrical components?
• In a pre-action system, a deluge valve can control up to how many sprinklers?
• What percentage of rated head is the maximum allowed for a pump shut-off?
• A main drain shall be provided on the standpipe ________ side of the system control valve.
• A standpipe with a 2 1/2 pressure regulating valve shall be equipped with a ________ minimum drain riser.
• During the dry pipe valve test, what state must the quick opening device be in?
• Hydraulic testing of a dry system _________
• When building modifications are made in a sprinklered building, NFPA 25 requires the property owner to do what?
• According to NFPA 20, two or more water tanks are required as the primary source for which type of building?
• The exception limit for FDC based on area is ______ square feet.
• Sprinklers under glass skylights exposed to the direct sun shall be of the _________ temperature classification.
• An example of a flow test that is adequate to move a master pressure regulating device from its seat is the quarterly _____ test.
• What is the minimum distance the anti-vortex plate must be installed above the bottom of the tank?
• NFPA 20 requires the diesel pump to operate at least how often?
• The priming water level in supervised pre-action systems shall be tested quarterly for compliance with the _____
• When performing hydraulic calculations, the fire is assumed to start in how many locations?
• The maximum unsupported length on the end of a branch line with a 1 inch Schedule 40 steel pipe is ______
• The circulating (casing) relief valve is _______ for a 3500-gallon pump. (size)
• The minimum temperature for a fire pump room must be above which value in °F?
• What is the minimum distance from a sprinkler to the wall?
• For safety and reliability, how often should the foam discharge test be carried out on a foam system?
• The automatic filling mechanism shall activate a maximum of how many inches below the overflow level?
• Which of the following is true about the five-year flow test requirement for standpipes?
• NFPA 13 covers miscellaneous storage on racks up to how many feet in height?
• ________ shall identify a hydraulically designed sprinkler system with a permanently marked weather proof metal or ridged plastic sign secured with corrosion resistant wire, chain, or other approved means.
• A diesel fuel storage tank is required to always be minimum of ______ full.
• Which statement about post indicator valve checks is true?
• For validating foam system integrity through a discharge test, how frequently should the test be conducted?
• A full-flow test on a master pressure regulating device shall be conducted _____ on each valve and compared to previous test results.
• The water flow alarm on a fire protection system combined with a building's heating and air conditioning system must respond to discharge through the system's test pipes under what condition?
• One system riser can supply up to how many square feet on a single floor in an ordinary occupancy?
• Where installed, circulation relief valves_________
• What is the required testing interval for a foam system discharge test intended to check all mechanical and electrical components?
• Pumps shall furnish not less than ______ of the total rated head.
• Combined dry-pipe pre-action systems must be equipped with means for manual operation.
• When performing routine maintenance on a foam system, how frequently should a discharge test be conducted to inspect components?
• If two 4 inch 45-degree groove fittings are used for an offset, how far is the approximate run when the travel is 48 inches overall and the takeout is 3 feet? Calculate to the nearest 1/4 inch.
• What is the maximum pipe size (in inches) below which diameter must be non-corrosive?
• A diesel fire pump test shall be conducted with flowing water.
• Gauges must be replaced or tested by comparison with a calibrated gauge every how many years?
• Which standard governs the evaluation of modifications to sprinkler systems?
• When water supply is insufficient, what must be provided?
• System valve internal inspection is required every how many years for alarm valves, strainers, filters, and check valves?
• The standpipe system demand shall include 500 gpm for the first standpipe and ______ gpm for each additional standpipe until the total system demand is simultaneously flowing.
• What is an example of ordinary hazard?
• A flow test shall be conducted every 5 years on which classes of standpipes?
• The minimum allowable operating pressure applied to a standard sprinkler is __________
• If buildup of grease or other material is present on water mist nozzle used to protect commercial type cooking equipment and ventilation system these nozzles must be replaced ___________.
• In NFPA 22, what is the maximum allowed difference between the tank water level and the designated fire service level?
• What is used on a butterfly valve to prevent rapid opening or closing?
• Which type of switch is used on the alarm line of an alarm valve that has a retard chamber in the trim?
• Which lift is not suitable for centrifugal pumps?
• The fitting at the bottom of gravity tank discharge pipe is base elbow.
• The hydraulic design information sign for a sprinkler system shall include each of the following except:
• The minimum size pipe that may be used on a gravity tank fill line is
• Combined dry-pipe pre-action systems are what type of interlock systems?
• A ________ fitting is used when the pipe size is different than the pump suction size.
• For a 6-inch sprinkler main supported entirely with post-installed anchors in the vertical position, what is the maximum spacing?
• Which ceiling type is not considered obstructed construction?
• The shut off head shall not exceed what percent of the rated head for any pump?
• Screens on suction intakes must be inspected periodically for what reason?
• Which NFPA standard details the installation of standpipes when they are required?
• In NFPA 13, buildings are classified by their vulnerability to fire. This classification is referred to as what?
• Sprinkler or automatic spray nozzles being used in a commercial type cooking equipment ducts, duct collars, and plenum areas shall have an orifice with K-factor not less than
• What size outlets do class III standpipes have?
• All hose connection pressure regulating devices shall be inspected annually to verify the following except which item?
• When full flow testing a hose connection pressure regulating device the result are compare
• During a full-flow test of a hose connection pressure regulating device, what must be done with devices that do not meet specifications?
• Water storage tank level indicators shall be tested for accuracy and freedom of movement every how many years?
• What testing interval applies when using a foam discharge to inspect a foam system's mechanical and electrical components?
• Which NFPA section is cited for the inspection of sprinkler pressure-reducing valves in the source material?
• Pressure regulating devices on manual standpipe systems shall be full-flow tested every five years.
• In a pre-action system, a maximum of ______ sprinklers may be controlled by one deluge valve.
• Antifreeze systems are used for the portion of the fire sprinkler system that is in an area where the temperature cannot be reliably maintained at or above ________
• Which of the following items is not required to be shown on the hydraulic design information sign?
• How should high expansion foam systems operate?
• Which test verifies the integrity of the main drain path during routine maintenance?
• Friction loss is always expressed in which unit?
• In seismic zones, the brace for risers longer than 3 feet is a which type?
• In ceilings finished with metal lath and plaster, what is the maximum pipe size that may be supported by a toggle?
• Under a no flow condition, the ______ discharges water to keep the pump cool.
• For ensuring ongoing readiness, at what interval should foam systems be tested with a discharge to inspect all components?
• A partial flow hose connection pressure regulating device must provide adequate pressure and volume to
• Hangers shall be designated to support how many times the weight of water filled pipe?
• A white-painted sprinkler indicates which temperature rating?
• According to NFPA 20 a ________ refill valve shall be used for each water supply tank used for fire protection.
• Gauges shall be replaced or tested by comparison with a calibrated gauge every ________
• Which NFPA standard covers suction intake screens on open-source water supplies?
• Which test is used to move a master pressure regulating device from its seat?
• In unobstructed construction, the deflector distance below the ceiling is ______.
• Equipment approved for fire sprinkler installation must be ________.
• What characteristic makes listed fire stopping materials effective when heated?
• Double interlock systems are limited to 500 gallons unless water can be delivered to the inspector's test connection within 60 seconds. How many gallons is the limit?
• Which statement about equipment approved for fire sprinkler installation is true?
• A full flow test on the master pressure regulating device shall be conducted how often on each valve and compared to previous test results?
• According to NFPA 20, the ______ shall approve the system method or device for the intended purpose.
• Water curtains are commonly created using which type of sprinklers?
• Which interval is specified for testing foam systems via a foam discharge to confirm proper operation of mechanical and electrical parts?
• Within a standard maintenance program, how frequently should a foam system discharge test be conducted?
• The hydrostatic testing of standpipes includes the Fire Department Connection. Which component is associated with this testing?
• The testing and inspection of alarm and detection devices on foam systems shall be carried out in accordance with which NFPA standard?
• Quick opening devices, if provided, shall be tested how often without flooding the system?
• A system that activates only when the detection system activates, but does not activate when a sprinkler opens is a __________ pre action system.
• Post indicator valves must be set so the top of the post is within which range of inches above final grade?
• The pipes that directly supply the branch lines are _______
• Cranking voltage on a diesel fire pump system must be inspected weekly and verified that the cracking voltage exceeds ______ volts on a 12 volt system
• Earthquake protection addressed in NFPA 13 requires clearance around all piping extending through ___________.
• What is the minimum distance, in pipe diameters, from the back flow preventer to the suction side of the fire pump?
• What percentage deviation from recorded foam acceptance test specifications requires immediate discussion with the foam manufacturer?
• Low air pressure alarms, if provided, shall be tested at what interval in accordance with the manufacturer's instructions?
• After how many years should quick response sprinklers be tested or replaced?
• When the system is exposed to supply, how often should water mist nozzles be replaced or a representative sample tested?
• A common release characteristic of Deluge and Pre-Action systems (regardless of release method) is
• How often must pressure regulating devices on automatic standpipe systems be full-flow tested?
• When should main pressure relief valves be inspected?
• A new dry system should be tested for how long and at what pressure?
• What is used on a butterfly valve to prevent the valve from being opened or closed too quickly?
• The standpipe system demand shall be based on the design criteria in effect at the same time of which activity?
• How often does NFPA 20 require a diesel pump to be run?
• Which ceiling type is not considered obstructed construction?
• How often shall waterflow devices on a water mist system be inspected to verify they are free from physical damage?
• The total shut-off head shall not exceed ______ of the total rated head on vertical turbine pumps.
• During a main drain test under flow conditions, the pressure observed is the residual pressure.
• What is the minimum distance above the bottom of the tank that an anti-vortex device must be installed?
• Which statement about temperature ratings for factory-painted sprinklers is true?
• What does the fire department use the FDC for?
• When testing a hose connection pressure regulating device with a pitot or flowmeter and pressure gauges, the findings should be compared to which baseline?
• In a wet pipe sprinkler system, which measurement is indicated by the gauge located above the clapper of the alarm valve?
• How often shall foam systems be tested with a foam discharge into the system piping to verify the operation of mechanical and electrical components?
• NFPA 25 requires not less than _______ sprinklers or 1 % shall be sent for testing at different intervals depending on the sprinkler type.
• What is the minimum clearance between a sprinkler and the wall?
• A pressure relief valve is required on a diesel fire pump when there is an overrun of
• Water curtains are commonly created using pendent sprinklers or nozzles spaced how many feet on center?
• Where shall the hydraulic design information sign and semiautomatic standpipe systems be located?
• Which NFPA standard defines the occupant escape time objective associated with 13R?
• The interconnecting piping for jockey pump controller sensing lines has a nominal diameter of what?
• What is an acceptable water metering device(s) used for flow testing of water?
• If a sprinkler is located within a 7'-0" radius and 2'-0" above a unit heater, what rating must the sprinkler have?
• NFPA 13 requires clamps to support the weight of a standpipe at every ______.
• When performing a flow test on a master pressure regulating device, the results should be compared to which baseline?
• All sprinkler pressure-reducing valves shall be inspected quarterly to verify they are in the following condition, except which one?
• Which securing method is required for the weatherproof sign identifying hydraulically designed sprinkler systems?
• Trip testing the quick-opening device should be performed according to whose instructions?
• What term describes a building system designed using calculated hydraulics rather than standard pipe schedules?
• The main relief valve is located on ______ side of the pump.
• Which system type will not provide adequate protection for stockpiles of contents with moderate release rates when stockpiles are 10 inches high?
• For a fire pump rated for 1000 GPM delivery, how many outlet gate valves should be on a test header?
• Foam concentrate strainers inspection schedule?
• Installation standards require heat tracing that is protecting fire sprinkler piping against freezing to be
• What is the minimum hydrostatic test pressure specified for these systems?
• Crankcase oil on a diesel fire pump assembly must be changed out every ______ hours of runtime or annually.
• Deflector distance below ceiling in unobstructed construction falls within which range?
• Compared to steel pipe, CPVC has what level of hydraulic friction?
• Which NFPA standard covers the inspection, testing, and maintenance of water-based fire protection systems?
• How often does NFPA 20 require a diesel fire pump to be run?
• The main relief valve is located on ________ side of the pump.
• Hangers shall be designated to support the weight of water-filled pipe plus how many pounds at each point of piping support?
• The means to fill a steel tank shall be sized to fill within how many hours?
• The top of a post indicator valve must be located above final grade within which inches range?
• A building is considered a high-rise when it is greater than ______ feet
• Which temperature classification applies to sprinklers located under glass skylights exposed to direct sun?
• The alternative hydrostatic test pressure to 200 PSI is 50 PSI above the maximum pressure. Which option represents this correctly?
• Under NFPA 20, where should a suction pressure regulating valve be installed?
• During a fire pump test, which valve is inspected?
• Fire sprinklers may be removed from one job site and reinstalled at another job site ______.
• Who shall the inspection report, with recommendations, be filed with?
• Low temperature alarms installed in valve enclosures must be tested annually at the beginning of which season?
• Water motor gongs and pressure switches shall be inspected at what interval?
• The normal rated capacity of a 2 1/2 inch inlet on an FDC is ________ gallons per minute.
• Which sprinkler system uses open sprinklers that discharge water simultaneously when water enters the system?
• The classification used by NFPA 13 to categorize buildings by fire vulnerability is called
• How often must master pressure-regulating devices be inspected?
• During inspection of main relief valves and circulation relief valves, damaged or missing components shall be repaired or replaced in accordance with whose instructions?
• What is the minimum distance above the bottom of a tank at which an anti-vortex plate must be installed?
• A common characteristic of a Deluge and Pre-Action system, regardless of release method, is
• A non-decorative sprinkler with white paint applied at the factory has a/an ______ temperature range.
• Foam is an additive in sprinkler systems as specified by NFPA 25 A.13.4.5.2.2.3.B.
• A valve designed to reduce the downstream water pressure under both flowing and non-flowing conditions is called a ______.
• On wet fire systems, the pressure gauge located above the clapper of the alarm valve indicates the ________.
• What is the minimum gauge pressure at the pump suction flange when all pumps are operating at 150% capacity?
• The maximum floor area on any one floor in an ordinary hazard occupancy that is supplied by one system is _______.
• The maximum distance between standard sprinklers in a light hazard is _______.
• What is the maximum spacing between anchors for a 6-inch main in vertical orientation?
• The minimum clearance is expressed in which unit of measurement?
• Fire department connections shall be inspected how often?
• What is the minimum clearance, in inches, required between any part of the cabinet and the valve handle after the valve is positioned from fully open to close?
• Antifreeze usage in ESFR systems is allowed only if:
• A sprinkler system with parallel cross mains connected by multiple branch lines is called a ________ configuration.
• Heat tracing shall be inspected and maintained in accordance with which requirements?
• The main relief valve is located on which side of the pump?
• During foam system discharge testing, components to be checked include
• What is the minimum stock of spare sprinklers that shall be maintained on the premises for sprinkler systems having less than 300 sprinklers?
• The fitting required at the bottom of a gravity tank discharge pipe is a/an ________.
• NFPA 20 requires the discharge components to be capable of handling the maximum total discharge head at what condition?
• The hydraulic design sign shall be inspected ______ to verify that it is provided, attached securely to the rider and legible.
• The rated psi of a fire pump is found on which part of the equipment?
• Which of the following conditions would not require the replacement of a water mist nozzle?
• Which of the following conditions would not require the replacement of a water mist nozzle?
• When greasing a fire pump and electric driver as part of maintenance prior to the annual test, this should be done?
• How often shall foam concentrate strainers be inspected?
• Antifreeze solution is allowed in systems with ESFR sprinklers under which of the following conditions:
• A pre-action system that activates only when the detection system is triggered is called a ______ pre-action system.
• According to NFPA 20, a refill valve shall be used for each water supply tank used for fire protection that is capable of being actuated by which means?
• When is it permitted to replace the antifreeze in an existing system with factory premixed antifreeze solution?
• In the inspection, test, and maintenance procedure for a valve other than a post indicator or wall indicator valve under component replacement action requirements, what is the last step to be performed?
• What is the minimum temperature in degrees Fahrenheit for a fire pump room?
• What is the mandated frequency for performing a foam discharge test on a foam system to check its components?
• Which of the following is an example of ordinary hazard?
• The type of sprinkler system containing air and is actuated by a supplemental fire detection system installed in the same area as the sprinkler is a _________
• Support spacing for CPVC pipe is _______.
• During scheduled testing, how frequently should a foam discharge be used to assess the system's mechanical and electrical components?
• For a 3500-gallon pump, the circulating (casing) relief valve size is ______.
• A calculated system for a building or a calculated addition to a system in an existing building, shall supersede the rule in NFPA 13 governing pipe schedules, except that all systems shall continue to ________
• If a system's average static pressure is 175 psi, what hydrostatic test pressure is required?
• What type of standpipe is not required to be hydrostatically tested at 200 psi or 50 psi in excess of 150 psi?
• The anti-vortex plate must be installed at least how many inches above the bottom of the tank?
• In hydraulically designed systems, the size of pipe, number of sprinklers per branch, and the number of branch lines per cross main are limited by the available what?
• Foam is an additive in sprinkler systems according to NFPA 25 A.13.4.5.2.2.3.B.
• Which sprinkler system is described as containing air and being actuated by a supplemental fire detection system installed in the same area as the sprinkler?
• How often are the accuracy of pressure gauges and sensors on a fire pump checked?
• A flow test of a well shall be continuous for a period of at least ______ hours at 150% of the rated capacity of the fire pump with 15 minute intervals reading over the period of the test.
• During a flow test on a fire hose connection with a pressure regulating device in place, what should be determined and recorded on the inlet and outlet sides of the device?
• According to NFPA 20, a suction pressure regulating valve is installed according to manufacturer's recommendations and in the piping between the _______
• The two chemicals allowed to be used in antifreeze systems connected to public water supplies are
• Who must approve the system, method, or device for its intended purpose in NFPA 20?
• In an alarm valve with a retard chamber in the trim, which switch should be used on the alarm line?
• If the water supply is not adequate, what must be provided?
• If a facility has 300 standard response pendent sprinklers that are all 50 years old, how many must be removed and sent for testing?
• Trip testing the quick opening device should be in accordance with the ______
• Which type of system will not provide adequate protection for stockpiles of contents with moderate release rates that are stacked to a height of 10 inches?
• In a maintenance schedule for foam systems, how often should a foam discharge test be performed to check components?
• NFPA 13 requires clamps to support the weight of a standpipe at every other level.
• During a compliance test of a foam system, how often must the discharge test be performed to examine all components?
• The main relief valve location relative to the pump is on which side?
• What is the minimum clearance between the top of storage and a standard spray pendant sprinkler deflector?
• CPVC is the abbreviation for ____________
• Dry system design includes a ______ percent increase in area of operation.
• During air leakage tests of pre-action systems at 40 psi, allowable loss is up to how many psi?
• According to NFPA 20, what are the pressure requirements for the discharge components of a fire pump?
• During gauge replacement, why must the 3-way valve be flushed adequately?
• A one-inch auxiliary drain valve on a wet pipe system is required for an isolated trapped section of pipe when the capacity of that section is more than
• Combined dry-pipe pre-action systems are required to have manual operation of the detection system.
• The use of reconditioned valves and devices as replacement equipment in existing systems shall be
• During hydrostatic testing of a dry pipe system, what must be done with the dry-pipe valve clapper?
• When a water tank serves both domestic and fire protection, the domestic connection shall be connected where relative to the level for the fire protection demand?
• Fittings shall be extra heavy pattern where pressure is ______ psi or more.
• Which interlock configuration is used by combined dry-pipe pre-action systems?
• A dry system shall be tested once every _____ years for gas leakage.
• When the supply of water is not adequate, what must be provided?
• When hydrostatic testing a dry pipe valve clapper should be latch open to ________
• Hydrostatic tests of not less than 200 PSI for 2 hours or 50 PSI in excess of the maximum pressure, shall be conducted every 5 years on which systems including the FDC?
• Obstructed construction requires a deflector distance of _____ below the beams to a maximum of 22" below the deck
• The maximum protection area value of 225 sq ft applies to which hazard category?
• The maximum floor area on any one floor in an ordinary occupancy that is supplied by one system riser is ______ sq ft.
• According to NFPA 20, screens on the suction intakes of a water supply from an open source must be inspected how often for accumulated debris?
• In light hazard installations, the maximum spacing between sprinklers is 15 feet.
• During hydrostatic testing of a dry system, the dry-pipe valve clapper must be latched open or removed.
• Which building type is exempt from requiring a fire department connection under NFPA 13?
• A high-rise is defined as a building taller than ______ feet.
• Sprinklers installed where maximum ambient ceiling temperatures do not exceed 100 degrees F shall be _______ temperature rated sprinklers.
• Standpipes required by code should be installed according to which NFPA standard?
• Which device shall be installed where an electric variable speed pressure limiting controller is installed and the maximum total discharge head adjusted for elevation exceeds the pressure of the system components?
• According to NFPA 20, how often must screens on the suction intake of an open-source water supply be inspected for debris?
• Mainline strainers shall be removed and inspected for damage and corrosion every ______.
• Which NFPA standard requires that circulating closed-loop sprinkler systems be inspected, tested, and maintained?
• Which instructions govern the trip testing of quick-opening devices?
• Which instruments are used to test a hose connection pressure regulating device?
• Which statement best describes Class 1 standpipes?
• The minimum temperature for a water storage tank shall not be less than how many degrees Fahrenheit?