S12 sprinkler test Exam Solution With Complete Answers.

fire department connection - correct answer normally on exterior of building... FDNY can pump supplemental water into the sprinkler system, standpipe, or other system furnishing water for fire extinguishment to supplement existing water supplies. system control valve - correct answer valve controlling flow to water-based fire protection systems. fire command center - correct answer ... MFSPC - correct answer ... MLP - correct answer ... tags - correct answer on closed section valves serving affected areas: area affected, brief description, occupancy classification, c of f number, estimated time until operational Green tag - correct answer no impairment found in entire system- main control valve white tag - correct answer fully out of service- place on all fire department connecitons red tag - correct answer place on main control valve if FULLY OR PARTIALLY out of service... put sprinkler company name, date of removal from service and anticipated time to operational blue disk - correct answer partially out of service- on all fire department connections water storage tank - correct answer ... OS & Y valve - correct answer indicating type of control valve used for fire sprinkler system deluge valve - correct answer water supply control valve intended to be operated by actuation of an automatic detection system that is installed in the same area as the discharge devices. INTENDED USE IS MANUAL AND AUTO deluge sprinkler system - correct answer employing open sprinklers that are attached to a piping system that is connected to a water supply through a valve that is opened by the operation of a detection system installed in the same areas as the sprinklers. WHEN IT OPENS, water flows into the piping system and discharges from all sprinklers attached. Early suppresion fast response sprinklers - correct answer fast response sprinkler that is listed for its capability to provide fire suppression of specific high challenge fire hazards extra large orifice sprinklers - correct answer = or 1 inch less pressure to achieve a given discharge density extended coverage sprinkler - correct answer 400 max square feet discharge fire pump - correct answer a provider of liquid flow and pressure dedicated to fire protection. A fire pump is a part of a fire sprinklers system water supply and can be powered by electric, diesel or steam. connected to public water source or tank. provides higher pressure to sprinkler system Glass bulb sprinkler - correct answer operated by heat breaking a glass bulb filled with a non freezing liquid with diameters that vary form 3 mm for quick response to 5 mm for standard response hose valve - correct answer valve to additional hose connection hydraulic placard - correct answer sign attached to a hydraulically calculated sprinkler system indicating the design density, required gallons per minute and pressure for the system to operate properly hydraulically calculated systems - correct answer method of sizing auto sprinkler piping using a prescribed amount of water to be distributed over a specific area. impairment coordinator - correct answer in charge of safety during out of service systems intermediate level sprinkler - correct answer sprinkler equipped with integral shields to protect the operating elemtn form discharge from sprinklers installed at higher elevations large orifice sprinkler - correct answer sprinkler head with orifice size equal or greater than 3/4 and less than 1 inch listed device - correct answer A fire protection component that has been tested to perform under parameters specified for its use by a nationally recognized testing agency. Underwriter's Laboratory (UL) and Factory Mutual (FM) are the two most common. Master Pressure Reducing Valve - correct answer A pressure reducing valve installed to regulate pressures in an entire fire protection system and/or standpipe system zone. Main Drain - correct answer The primary drain connection located on the system riser and also utilized as a flow test connection. Microbiologically Influenced Corrosion (MIC) - correct answer Corrosion caused by the presence of microbes in the water supply that over time attack the interior of metallic piping and cause leaks, pitting, and blockages. Old-Style/Conventional Sprinkler - correct answer A sprinkler that directs 40% to 60% of the water initially in a downward direction and is designed to be installed with the deflector in either the upright or pendent position. Pendent Sprinkler - correct answer A sprinkler designed to be installed in such a way that the water stream is directed downward against the deflector. Pintle Screws - correct answer A visual indicating device required for sprinklers manufactured prior to 1999 identifying small orifice sprinklers and large orifice sprinklers where orifice size is different than the nominal thread size of the sprinkler head. Pipe Schedule Systems - correct answer A method of sizing piping based upon the number of sprinkler heads and the occupancy of the protected area. Preaction Sprinkler System - correct answer A sprinkler system employing automatic sprinklers that are attached to a piping system that contains air that may or may not be under pressure, with a supplemental detection system installed in the same areas as the sprinklers. Pressure Control Valve - correct answer 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 pressure from dropping below a set pressure. Pressure-Reducing Valve - correct answer A valve designed for the purpose of reducing the downstream water pressure under both flowing (residual) and nonflowing (static) conditions. Pressure Relief Valve - correct answer A valve designed for the purpose of releasing excess air or water pressure from the Fire Protection Piping System. Pressure Tank - correct answer A tank using air pressure to supplying water for water-based fire protection systems. Tank contents to be maintained at one third air to two thirds water. Quick Response Sprinkler Head - correct answer A sprinkler having a fusible link with a response time index (RTI) of 50 or less. Recessed Sprinkler - correct answer A sprinkler in which all or part of the body, other than the shank thread, is mounted above the ceiling. Residential Sprinkler - correct answer A type of fast response sprinkler that has been specifically tested to enhance survivability in the room of fire origin and listed for use in dwelling units. Response Time Index (RTI) - correct answer A measurement of the thermal sensitivity of a sprinkler head expressed in (meters-seconds) 1/2. Supervisory signal - correct answer A signal indicating the need for action in connection with the supervision of guard tours, fire extinguishing systems or equipment, fire alarm systems or the maintenance features of related systems. Small orifice sprinklers - correct answer A sprinkler head with and orifice size smaller than 1⁄2" Solder Link Sprinkler - correct answer A sprinkler operated by the melting of a metal link, they vary in size and configuration for quick response and standard response sprinklers. The smaller the size of the link, the faster the sprinkler operates. Spray Sprinkler - correct answer A type of sprinkler listed for its capability to provide fire control for a wide range of fire hazards. The most commonly used sprinkler since 1953. Standard Response Sprinkler Head - correct answer A sprinkler having a fusible link with a response time index (RTI) of 80 or more. Supervisory signal-initiating device - correct answer An initiating device, such as a valve supervisory switch, water level indicator, or low-air pressure switch on a dry-pipe or pre-action sprinkler system, that triggers a supervisory signal. Testing - correct answer A procedure used to determine the status of a system as intended by conducting periodic physical checks on water based fire protection systems such as waterflow tests, fire pump tests, alarm tests, and trip tests of dry pipe, deluge, or preaction valves. These tests follow up on the original acceptance test at intervals specified in the appropriate chapter of NFPA #25, 2002 edition. Upright Sprinkler - correct answer A sprinkler designed to be installed in such a way that the water spray is directed upwards against the deflector. Water Spray Fixed System - correct answer A special fixed pipe system connected to a reliable fire protection water supply and equipped with water spray nozzles for specific water discharge and distribution over the surface or area to be protected. The piping system is connected to the water supply through an automatically or manually actuated valve that initiates the flow of water. An automatic valve is actuated by operation of automatic detection or manual release equipment installed in the same areas as the water spray nozzles. (In special cases, the automatic detection system may also be located in another area.) PREACTION SPRINKLER SYSTEMS - correct answer designed for situations where there is danger of serious water damage. Water damage is usually caused by damaged sprinklers or broken piping. Under normal conditions there is no water in the piping. The air in the piping may or may not be is under pressure. A preaction valve prevents the water from entering the system. The valve is automatically opened when a fire detection system discovers that there is a fire or smoke condition. The preaction valve is tripped by the fire detection system before any of the sprinkler heads open. A supervisory device signals when the valve is opened. The preaction valve can also be operated manually. DELUGE SPRINKLER SYSTEMS - correct answer equipped with open sprinkler heads designed to wet down an entire area involved in a fire. This system is needed when there is danger of a fire rapidly spreading throughout the building. The deluge system will slow down the spread of the