Fire Protection Systems Chapter 7 question and answers 2023 graded A+

Fire Protection Systems Chapter 7 question and answers 2023 graded A+ Wet Pipe Sprinkler System - correct answer A type of automatic sprinkler system that has water in the pipes at all times so, when a sprinkler head activates, water flow is immediate Water Motor Gong - correct answer A hydraulically operated bell that sounds an alarm when water passes through a paddle wheel, which turns a shaft connected to a striker that hits the bell housing Water Control Valve - correct answer A manually operated valve used to control the flow of water in a fire sprinkler system Preaction Valve - correct answer A type of sprinkler system valve that holds back water until a fire detector activates and an automatic fire sprinkler head operates Frame - correct answer The central component that holds the other pieces of a sprinkler head in place and screws into the fittings connected to the sprinkler system piping Accelerator - correct answer A type of quick-opening device that attaches to the dry pipe valve; upon sensing a loss of system air pressure, the device opens an internal exhaust valve to redirect the pressurized air into the intermediate chamber of the valve so it will disrupt the differential and force the clapper open Fire Area - correct answer An area of a building contained within fire walls, fire barriers, or exterior walls Exhauster - correct answer A type of quick-opening device that attaches to the dry pipe valve or any location on a dry pipe system where there is two-inch piping; upon sensing a rapid loss of air pressure, the device opens a port that purges air out of the system at a rate roughly equivalent to 15 open sprinkler heads. Dry Pipe Valve - correct answer A type of sprinkler system valve that holds back water until a sufficient reduction in air pressure releases the clapper to flood the system piping