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Consider a fire sprinkler system with connections to a waterworks system. Water pressure in pounds per square inch for given height in feet equals the height multiplied by ______.CorrectIncorrect
What is the NFPA standard for aircraft hangers?CorrectIncorrect
Consider pipe used for an antifreeze system. Listed metallic sprinkler piping and fittings should be protected from freezing with ____ only.CorrectIncorrect