S-12 Sprinkler Definitions Exam Study Guide Solutions

S-12 Sprinkler Definitions Exam Study Guide Solutions Alarm Notification Appliance - ANSWER-A fire alarm system component that issues an audible, tactile, and/or visual alert Eg. A bell, horn, speaker, light, text display or vibration device Alarm Signal - ANSWER-A signal indicating an emergency requiring immediate action, such as a signal indicative of fire Antifreeze Sprinkler System - ANSWER-A wet pipe sprinkler system employing automatic sprinklers that are attached to a piping system that contains an antifreeze solution and is connected to a water supply. The antifreeze solution is discharged, followed by water, immediately upon operation of sprinklers opened by heat from a fire Automatic Ball Drip - ANSWER-An automatic drain valve horizontally installed at the low point in the piping between the lower check valve and the FD connection of automatic sprinkler systems. Water pressure from a FD pumper automatically closes this valve. It automatically reopens when pressure ceases, permitting this piping to drain ad thereby preventing freezing Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/13 Central Station - ANSWER-A facility that receives alarm signals from a protected premises and retransmits or otherwise reports such alarm signals to the department Combination Standpipe And Sprinkler System - ANSWER-A system where the water piping services both 2 ½" outlets for FD use and outlets for automatic sprinklers Concealed Sprinkler - ANSWER-A recessed sprinkler with a cover plate Control Mode Specific Application Sprinklers (CMSA) - ANSWER-Control mode sprinkler systems are designed to control a fire until its original fuel source is depleted or until fire-fighting activities can commence. A fire is controlled by cooling the ceiling- level air temperatures, reducing the fire's rate of heat release and pre-wetting adjacent combustibles Control Valve - ANSWER-A valve controlling flow to water-based fire protection systems. Control valves do not do not include hose valves, trim valves for dry pipe, preaction and deluge valves, check valves, or relief valves OS & Y valve (outside stem and yoke valve) is an indicating type of control valve used for fire sprinkler system Curb valve is a non-indicating gate valve equipped with a cast iron extension box flushed with a sidewalk with an operating nit of 1 ¼", this valve is operated using a Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/13 special curb key wrench. This valve controls the municipal water supply serving the fire sprinkler system Corrosion- Resistant Sprinkler - ANSWER-A sprinkler fabricated with corrosion resistant materials, or special coatings to be used in an atmosphere that would corrode standard sprinklers Deficiency - ANSWER-A condition in which the application of the component is not within its designed limits or specifications Critical deficiency- a deficiency that, if not corrected, can have an effect on the performance of the fire protection system Non critical deficiency- a deficiency that does not have an effect on the performance of the fire protection system, but correction is needed for the proper inspection, testing, and maintenance of the system(s) Deluge Valve - ANSWER-A 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. Each deluge valve is intended to be capable of automatic and manual operation Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 4/13 Deluge Sprinkler System - ANSWER-A sprinkler system 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 this valve opens, water flows into the piping system and discharges from all sprinklers attached. Dry Pipe Sprinkler System - ANSWER-A sprinkler system employing automatic sprinklers that are attached to a piping system containing air or nitrogen under pressure. The release of the air or nitrogen, (as from the opening of a sprinkler) results in the water pressure opening a valve known as a dry pipe valve, resulting in the flow of water into the piping system and out of the fused sprinklers heads. Dry Sprinkler - ANSWER-A sprinkler secured in an extension nipple that has a seal at the inlet to prevent water from entering the nipple until the sprinkler operates. May be configured with an upright pendent or sidewall sprinkler Discharge Device - ANSWER-A device designed to discharge water or foam-water solution in a predetermined, fixed, or adjustable pattern. Examples include, but are not limited to, sprinklers, spray nozzles, and hose nozzles Early Suppression Fast Response Sprinkler (ESFR) - ANSWER-A type of fast response sprinkler that is listed for its capability to provide fire suppression of a specific high challenge fire hazards Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 5/13 Extra Large Orifice Sprinklers (ELO)* - ANSWER-A sprinkler head with and orifice size equal to or greater than 1". This sprinkler is used for protection of high piled storage in warehouses and less pressure is required to achieve a given discharge density. Extended Coverage Sprinklers - ANSWER-A type of spray sprinkler with a maximum area of coverage of 400 square feet (20 foot by 20 foot spacing between sprinklers) for light hazard occupancies to a maximum of 144 square feet (12 foot by 12 foot spacing between sprinklers for extra hazard occupancies Fire Alarm System - ANSWER-Any system, including any interconnected fire alarm sub-system, of components and circuits arranged to monitor and annunciate the status of fire alarm or supervisory signal-initiating devices Fire Department Connection - ANSWER-A connection, normally on the exterior of the building, through which the fire department can pump supplemental water into the sprinkler system, standpipe, or other system furnishing water for fire extinguishment to supplement existing water supplies. (Formally known as Siamese connection.) Fire Extinguishing System - ANSWER-Approved devices, equipment and system of devices and equipment which detects a fire and discharges an approved fire extinguishing agent onto or in the area of a fire. Such term includes automatic systems and, where such systems are authorized by this code or the building code, manually activated systems Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 6/13 Fire Hydrant - ANSWER-A valve connection on a water supply system having one or more outlets and that is used to supply hose and fire department connections with water Fire Protection System - ANSWER-Approved devices, equipment and systems or combinations of systems used to detect a fire, activate an alarm, extinguish or control a fire, control or manage smoke and products of a fire or any combination thereof, including fire extinguishing systems, fire alarm systems, sprinkler systems and standpipe systems Fire Pump - ANSWER-A pump that is a provider of liquid flow and pressure dedicated to fire protection. A fire pump is a part of a fire sprinkler system's water supply and can be powered by electric, diesel or steam. The pump intake is either connected to the public underground water supply piping or a static water source (eg. Tank, reservoir, lake.) The pump provides water flow at higher pressure to the sprinkler system risers and hose standpipes. A pump used only to fill a tank is not a fire pump. The following fire pumps are required to be maintained in accordance with the NYC fire code: [See: Fire Pump (NYC Accordance Fire Code)] Fire Pump (NYC Accordance Fire Code) - ANSWER-Fire pump, automatic standpipe: a fire pump located at or below street level that supplies the lower 300 feet of a standpipe system or a combined standpipe and sprinkler system Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 7/13 Fire pump, foam: a fire pump used to boost water supply pressures in a fire protection system where such system uses firefighting foam as an additive Fire pump, limited service: a fire pump with a motor rating not exceeding 30 hp and utilizing a limited service fire pump controller Fire pump, special service: a fire pump that is located above street level and that receives its water supply from a gravity tank or suction tank supplying water to fire sprinkler system and/or fire department hose outlets Fire pump, sprinkler booster pump: a fire pump that supplies sprinkler systems only Fire pump, water mist system: a fire pump used to boost water supply pressures in a fire protection system where such system utilizes water misting technology Glass Bulb Sprinkler - ANSWER-A sprinkler operated by heat breaking a glass bulb filled with non-freezing liquid with diameters that vary from 3mm for quick response sprinklers to 5mm for standard response sprinklers