Test Bank Solution Manual for Auto Fire Sprinkler Systems Graded A+

Test Bank Solution Manual for Auto Fire Sprinkler Systems Graded A+ Design density - Answers Minimum all sprinkler heads in a remote area must be up to deliver the stated minimum amount of water for required amount time Nfpa 11 - Answers Low,medium, high expansion foam design, installation, testing,maintenance Nfpa14 - Answers Standard for installation of standpipe and hoes systems Nfpa 30 - Answers Flammable combustible liquids code Nfpa15 - Answers Water spray fixed systems for fire protection NFPA 16 - Answers Standard for installation of foam water sprinkler in foam water spray systems NFPA 750 - Answers Standard on Watermist protection systems NFPA 409 - Answers Aircraft hangers Types of specialized water-based fire protection systems - Answers Fixedfoam, Waterspray fixed, Watermist foam, water sprinkler and foam water spray systems, ultra high-speed water spray systems Ultra high-speed water spray system - Answers Specialize fire protection system that requires water and piping all the time designed to protect explosive hazards within 100 millisec of detection Foam systems - Answers Fixed, semi fixed, portable, mobile Low expansion foam - Answers Ratio 2 to 1 220 to 1 meaning volume of foam increase is up to 20 times from the original volume of foam concentrate Medium expansion foam - Answers Ratio 20 to 1 to 200 to 1 Hi expansion foam - Answers Ratio 200 to 1 to 1000 to 1 Fixed foam system components - Answers Proportioner,foam concentrate tank,generating distributing equipment, pumps Foam proportions methods - Answers Venturi, pressure , balance pressure proportionate Balanced pressure proportioner - Answers Uses atmospheric tank and pump: direct injection variable output, coupled water motor pumps,balance pressure pump proportioner's Foam concentrate tanks - Answers Usually made of fiberglass so phone will not react. Tanks made of steel will have a bladder Type of Pump used for fix foam system - Answers Positive displacement because centrifugal pumps made out were with foam concentrates viscosities hi Minimum nozzle pressure defined by NFPA 15 - Answers 20 psi Deflagration - Answers Ignition of flammable gas mixture that proceeds at less than the speed of sound Detonation - Answers Ignition a flammable gas mixture that proceeds at greater than the speed of sound Foam water sprinkler system - Answers Use a standard sprinkler heads to apply phone agent over hazard area once foam is applied water than clothes clothes I said flows Phone water spray system - Answers Fire protection system that uses special spray nozzles to apply a phone agent over a specific hazard and wants exhausting the phone agent close water Preprimed - Answers A wet phone water sprinkler system where the piping holds a foam solution in the piping instead of water Watermist systems - Answers Fire protection system that uses specialize spray nozzles to discharge a very fine Watermist Watermist systems - Answers Protect lamp for Sony's including labs data centers underground transit centers transformer areas aircraft hangers museums marine in offshore facilities such as yachts cargo naval ships turbine room Three types of Watermist systems - Answers Low pressure less than one 175 PSI, intermediate pressure system 175 to 500 psi, high-pressure systems I want to psi plus in addition In addition to Watermist systems - Answers Single or twin fluid systemsSingle fluid systems only have one pipe supply water to the nozzle. When fluid has two pipes one for gas and one for water. Twin fluid systems want to miss system - Answers The purpose of gas compressed air or nitrogen mixed with water at the nozzle make droplets smaller Watermist nozzles - Answers Can be automatic nonautomatic, or hybrid Automatic nozzles - Answers Have built in detection and activate devices that operate independently of other nozzles