Texas plumbing Exam Questions and Answers

Texas plumbing Exam Questions and Answers Air break ( drainage system) - ANS ️️ A piping arrangement in which a drain from a fixture, appliance, or device discharge indirectly into a fixture, receptacle or interceptor at a point below the flood level rim of the receptacle so installed as to prevent backflow or siphonage Air gap (drainage system) - ANS ️️ The unobstructed vertical distance through the free atmosphere between the outlet of the waste pipe and the flood level rim of the receptacle into which the waste pipe is discharging. Backflow - ANS ️️ Pressure created by any means in the water distribution system, which by being in excess of the pressure in the water supply mains causes a potential backflow condition. Backflow connection - ANS ️️ Any arrangement whereby backflow can occur. Backflow Preventer - ANS ️️ Air gap Bathroom group - ANS ️️ A group of fixtures consisting of a water closet, lavatory, bathtub or shower, including or excluding a bidet, an emergency floor drain or both. Such fixtures are located together on the same floor level. Branch interval - ANS ️️ A vertical measurement of distance 8 feet or more between connections of horizontal branches to a drainage stack. Measurements are taken down the stack from highest horizontal branch connection Stack system - ANS ️️ Are used in high rises for venting Wet venting - ANS ️️ Causes siphoning of water out of p trap