S12 FDNY Exam V1 | Latest 2025/ 2026 Update | Questions and Verified Answers | GRADED A | 100% Correct (Verified Solutions).

S12 FDNY Exam V1 | Latest 2025/ 2026 Update | Questions and Verified Answers | GRADED A | 100% Correct (Verified Solutions). …… Question: During an operational test of a foam water sprinkler system, if the nozzles are plugged what color tag is used? Answer: Red Question: Steel water storage tanks without corrosive protection are to be inspected how often? Answer: 3 Years Question: A sprinkler head with a white frame has a temperature rating of? Answer: 175 - 225°F Question: The weekly test of a Diesel fire pump is how long? Answer: 30 minutes Question: The weekly test of an electric fire pump is how long? Answer: 10 minutes Question: Upon inspection of a sprinkler system, if the hydraulic nameplate is missing what color tag is used? Answer: Yellow Question: When inspecting a preaction system, if the electrical components are not in service what color tag is used? Answer: Red Question: Vane type water flow devices shall be tested how often? Answer: Semi-annually Question: Proper number of spare heads and wrenches shall be inspected how often? Answer: Annually Question: The temperature rating of a sprinkler head with a green glass bulb is? Answer: 175 - 225°F Question: When inspecting a sprinkler system if the spare sprinkler cabinet is missing what color tag should be used? Answer: Yellow Question: On a dry pipe sprinkler head if no tests were conducted in 12 years what color tag should be used? Answer: Orange Question: Red Tag Answer: Impairment (Notify FDNY, shall be fixed immediately) Question: Orange Tag Answer: Critical Deficiency (Notify FDNY if not fixed after 30 days) Question: Yellow Tag Answer: Non-critical Deficiency (Notify FNDY if not fixed after 30 days) Question: Green Tag Answer: System fully operational without defects Question: How often shall the stem of an OS&Y Valve be lubricated Answer: Annually Question: The 3 year dry pipe trip test is to be performed by whom? Answer: MP & MFSPC Question: Fire department connections are to be inspected how often? Answer: Quarterly Question: Water motor gongs are to be tested how often? Answer: Quarterly Question: In a water spray fixed system inspection if the strainer is found corroded what color tag is required? Answer: Yellow Question: A sprinkler head with a red frame has a temperature classification of? Answer: Extra High (325 - 375°F) Question: The Hydraulic name plate shall be inspected how often? Answer: Quarterly Question: What color tag is required when sprinkler heads are found to be lightly corroded? Answer: Orange Question: Obstructions in sprinkler systems shall be investigated how often? Answer: 5 Years Question: What color tag is required when the circuit breakers on a special service pump are over 2 years old? Answer: Orange Question: What color tag is required when sprinkler heads made prior to 1920 have not been replaced? Orange, notify FDNY after 30 days Answer: Question: Orange/Red bulb temperature Answer: 135 - 170°F Question: Yellow or Green Bulb temperature Answer: 175 - 225°F Question: Blue Bulb temperature Answer: 250 - 300°F Question: Purple Bulb temperature Answer: 325 - 375°F Question: Black Bulb with Green Frame temperature Answer: 400 - 475°F Question: Black Bulb with Orange Frame Temperature Answer: 500 - 650°F Question: The temperature for water tanks shall not be less than Answer: 40°F (4°C) Question: Tanks without supervised water level alarms shall be inspected Answer: Monthly Question: Tanks with supervised water level alarms shall be inspected Answer: Quarterly Question: Records of all system inspections, tests, servicing, and maintenance shall be kept on premises for Answer: A minimum of 3 years Question: The building owner shall assign an ___________ to comply with city requirements Answer: Impairment Coordinator Question: White Disc, Red Tag Answer: System fully out of service Question: Blue Disc, Red Tag Answer: System partially out of service Question: Green Tag, No Disc Answer: System free of defects and in full service Question: Glycerin solution not greater than Answer: 50% Question: Glygol solution not greater than Answer: 40% Question: Records shall be posted near Answer: MAIN CONTROL VALVE Question: A connection on the exterior of a building, through which the fire department can pump supplemental water into the sprinkler system, standpipe, or other system. (Formally known as a Siamese connection) Answer: Fire Department Connection Question: A valve connection on a water supply system having one or more outlets used to supply hose and fire department connections with water Answer: Fire Hydrant Question: Sign attached to a hydraulically calculated sprinkler system indicating the design density, required gallons per minute and pressure for the system to operate properly Answer: Hydraulic Placard Question: A method of sizing automatical sprinkler systems indicating the design density, required Gallons per min, and pressure for system to function properly Answer: Hydraulic Calculated Systems Question: A sprinkler head with an orifice size from 3/4" - less than 1" Answer: Large Orifice Sprinkler Question: A raised series of beams (usually steel) bearing on posts or walls to support mechanical equipment (usually on rooftops) Answer: Dunnage Question: Hose designed to be used by trained fire fighters to combat fires beyond the incipient stage Answer: Attack Hose Question: A non-collapsable hose used under positive pressure having an elastomeric or thermoplastic tube, a braided or spiral reinforcement, and an outer protective cover Answer: Booster Hose Question: A hose with a jacket covered and lined with synthetic rubber or plastic Answer: Covered Hose Question: A hose consisting of only a woven jacket that is usually of linen yarns and is of such quality that the yarn swells when wet, tending to seal the hose Answer: Unlined Hose Question: The status of a hose house, on a rack, reel or fire apparatus ready for use. Does not include hoses in storage. Answer: In service Question: Standpipe system that relies exclusively on the fire department to supply the system demanded Answer: Manual Standpipe Question: Valve installed to regulate pressures in an entire fire protection system or standpipe system zone Answer: Master Pressure Reducing Valve Question: Supervision by the holder of department certificate who is required to be on premises when duties of the certificate are being performed Answer: Personal Supervision Question: A pilot operated pressure reducing valve that may be used with a fire or booster pump designed for the purpose of preventing the incoming water supply from dropping below a set pressure Answer: Pressure Control Valve Question: A valve designed for the purpose of reducing the downstream water pressure under both flowing (residual) and non flowing (static) confitions Answer: Pressure-Reducing Valve Question: A device designed to reduce, regulating, controlling or restricting water pressure Answer: Pressure Regulating Devices Question: A device that relieves excess water or air pressure from fire protection piping systems Answer: Pressure Relief Valve Question: A tank using air pressure to supply water to fire protection systems. (1/3 air 2/3 water) Answer: Pressure Tank Question: A system where fire protection piping services both 2 1/2in outlets for fire department use and outlets for automatic sprinklers Answer: Combination Standpipe & Sprinkler System Question: A standpipe system that is vertically subdivided as required by code into multiple zones in order to limit the maximum operating pressure. Each zone will have it's own individual automatic water supply. Answer: Standpipe, Multi-Zone Question: Measure of system pressure under non flow conditions Answer: Static Pressure Question: A device capable of removing all solids of sufficient size from water Answer: Strainer Question: A surge in pressure when a high velocity flow of water is abruptly shut off. Can be 7 or more times the static Pressure. Answer: Water Hammer Question: A standpipe system having piping containing water at all times Answer: Wet standpipe system Question: Used only by fire fighters. Hoses are 2 1/2" in diameter. Answer: Class 1 Standpipe system Question: Used by occupancy of building in case of fire. Hoses are 1 1/2" in diameter Answer: Class 2 Standpipe system Question: Used by occupancy of building or fire fighters. Hose can be adjusted to either 1 1/2" to 2 1/2" in diameter Answer: Class 3 Standpipe system Question: Can be used to increase pressure in a standpipe system Answer: Fire Pump Question: In a dry pipe system there is a delay between the opening of a sprinkler head or standpipe nozzle and the discharge of water. Delay is due to time required for air to leave the systems piping. This difficulty can be overcome by the installation of ___________________ Answer: Quick Opening Devices Question: Standpipe Systems are required in buildings that are over _______________ Answer: 6 foot, 75 feet in height Question: Pressure restricting device shall be installed at each hose outlet where the static Pressure exceeds __________ Answer: 80 psi Question: Used to prevent water from flowing the opposite direction Answer: Check Valve Question: Allows full unobstructed flow and automatically closes when pressure is decreased. Fully closed when pressure reaches zero and prevents back flow. Answer: Swing Check Valve Question: A type of control valve for a sprinkler system in which the position of the center screw indicates whether the valve is open or closed. Answer: OS&Y (Outside Stem and yolk) Valve Question: When the sprinkler head opens it causes a _____________ in the piping Answer: Drop of pressure Question: When the clapper has opened the valve is said to have ___________ Answer: Tripped Question: About ____ of fires are extinguished or controlled when sprinklers are installed Answer: 96% Question: 4% failure rate of sprinklers are due to Answer: Defective piping, closed supply valve, frozen water lines, improper maintenance and blocked supply lines Question: Permission must be obtained from the local fire house to shut off a maximum of 10 sprinkler heads on a wet pipe system Answer: Existing Cold Weather Valves Question: Dry Pipe Sprinklers are installed where a Wet Pipe System ____________ Answer: Cannot be heated to prevent freezing Question: Dry Pipe Sprinkler Systems are usually set to ______ above the normal trip level Answer: 15 - 20 psi Question: Two devices are used to reduce the time needed to open the clapper, an __________ and an ___________. Both automatically activated when a drop of 2 psi in air pressure is detected. Answer: Accelerator, Exhauster Question: Under normal conditions there is no water in the piping due to the serious dangers of water damage Answer: Preaction Sprinkler Systems Question: Heat responsive devices Answer: Commonly used to trip preaction valves Question: Special preaction system shuts off the water when fire has been put out Answer: Preaction System with Recycling Feature Question: FDNY connect: Silver Answer: Non-Automatic Dry Sprinkler Systems Question: In this type of system all pipes are normally dry. Water is supplied when needed but pumping water into the system through FDNY connection Answer: Non-Automatic Dry Sprinkler Systems Question: Prevent Freeze up Answer: Automatic Ball Drip Question: When responding to an alarm most Fire Departments supply water to the _______________ first Answer: Standpipe System Question: FDNY connection to Automatic Sprinkler System color: Answer: Green Question: FDNY connection to Non-Automatic Sprinkler Systems color: Answer: Silver Question: FDNY connection to Standpipe System color Answer: Red Question: Local Law 58/2009 requires color coding of fire Standpipe and Sprinkler Systems to have risers, cross connection to the water supply piping painted Answer: Red Question: FNDY connection to a combined Standpipe/Sprinkler system to be colored: Answer: Yellow Question: Automatic ball drip device shall be Answer: Installed in the horizontal position