s12 fdnyc || Questions with complete solutions.

what is a ALARM NOTIFICATION APPLIANCE correct answers A fire alarm system component, such as a bell, horn, speaker, light, text display or vibration device that issues an audible, tactile, and/or visual alert. what is a AUTOMATIC BALL DRIP - correct answers An automatic drain valve horizontally installed at the low point in the piping between the lower check valve and the Fire Department connection of automatic sprinkler systems. Water pressure from a Fire Department pumper automatically closes this valve. It automatically re-opens when pressure ceases, permitting this piping to drain and thereby preventing freezing what is a CENTRAL STATION correct answers A facility that receives alarm signals from a protected premises and retransmits or otherwise reports such alarm signals to the department. WHAT IS A COMBINATION STANDPIPE AND SPRINKLER SYSTEM correct answers A system where the water piping services both 2½ in. (65 mm) outlets for fire department use and outlets for automatic sprinklers. what is a CONTROL MODE SPECIFIC APPLICATION SPRINKLERS (CMSA) - correct answers 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. WHAT IS A MASTER PRESSURE REDUCING VALVE - correct answers A pressure reducing valve installed to regulate pressures in an entire fire protection system and/or standpipe system zone. what is a Fire Guard ? correct answers The impairment coordinator or other building staff trained and knowledgeable in conducting a fire watch may conduct a fire watch in lieu of a fire guard during the initial 4 hours of a planned removal from service, or after discovery of an unplanned out-of-service condition, provided that the floor or area in which the fire protection system is out of service does not exceed 50,000 square feet. A sufficient number of fire guards shall be provided such that each floor or area in which the fire protection system is out of service is patrolled at least once an hour. What is an Impaired Equipment:? correct answers Underground service mains, water storage tanks, Fire Department connections, control valves, fire and or booster pumps, that are out of service and are considered vital to part of the system that are required to be tagged following procedures outlined in Chapter 15 of NFPA #25 2011 Ed. What is Protection of Sprinkler Systems? correct answers All parts of an automatic system exposed to freezing temperatures shall be protected from freezing or in lieu thereof, an automatic dry pipe system or a system filled with a nonfreezing, noncombustible solution shall be used. When a system filled with a nonfreezing solution . What is a Riser Card.? correct answers In addition to those records required by NFPA 25 as mentioned above, an approved card bearing the dates of each inspection, certificate of fitness