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Fdny S12 Study Guide Graded A+
Unlawful to be installedMinimum amount of time records must be keptHydro static test must
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System where water is stored in pipes. {Ans: Automatic wet system}System where air is stored in pipes {Ans: Automatic Dry system}Air to water ratio should always be {Ans: 1 air 2 water}Sprinkler head with purple glass red frame {Ans: 325-375 deg F temp rating Extra High}Xxxxxxx are directly connected to cross mains {Ans: Feed risers}Every 1 foot of elevation equals xxxpsi of water pressure {Ans: 0.433psi}
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