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30 True/False questions

  1. 2What is the minimum number if inches a vent pipe can extend out of the roof?

          

  2. 3What is the minimum number if inches a vent pipe can extend out of the roof?

          

  3. VERTICALDrains transitioning from _________ to horizontal require the most gradual bend.

          

  4. MType ___ is the thinnest copper pipe.

          

  5. PVCWhat type of pipe has the least amount of friction loss?

          

  6. BIDETIn the bathroom a _________ would require a vacuum breaker.

          

  7. PB (polybutylene)In the garage, water heaters in the path of a vehicle should be protected by _______ .

          

  8. 2The minimum trap seal depth is ____ inches.

          

  9. EXPANSION TANKWhen a pressure regulator creates a "closed system" there should be a _______ installed at the water heater.

          

  10. 1In the garage, water heaters should be raised above the floor ______ inches.

          

  11. BACKWATERWaste drain pipes should have a minimum slope of _____ inch per foot.

          

  12. DIALECTRICA ________ union installed between copper and galvanized pipe will prevent corrosion.

          

  13. DISCONNECTIn the bathroom a _________ would require a vacuum breaker.

          

  14. 6The minimum diameter for a washing machine stand pipe is _____ inches.

          

  15. 30Flexible gas line connectors for a water heater would not be longer than ____ feet.

          

  16. PEXWhat type of pipe has the least amount of friction loss?

          

  17. 6Flexible gas line connectors for a water heater would not be longer than ____ feet.

          

  18. UNIONSIn the bathroom a _________ would require a vacuum breaker.

          

  19. DRAIN TILEA pipe set in gravel running continuously along a buildings foundation is also known as ___________ .

          

  20. 4What is the minimum number if inches a vent pipe can extend out of the roof?

          

  21. 18"Laundry stand pipes should be a minimum of ____ inches in heigh.

          

  22. 4The minimum diameter for a washing machine stand pipe is _____ inches.

          

  23. GALVANIZEDA "Durham" system of piping uses cast iron and _________ pipe.

          

  24. REDType M copper pipe has ____ color printing on it.

          

  25. QUARTERType M copper pipe has ____ color printing on it.

          

  26. ELECTROLYSISPipe corrosion from copper and galvanized pipe contacting each other is know as _______ .

          

  27. 72The minimum diameter for a washing machine stand pipe is _____ inches.

          

  28. BALLARDSIn the garage, water heaters in the path of a vehicle should be protected by _______ .

          

  29. 18The minimum air gap between the faucet outlet and the flood level rim of a bathroom sink is ___ inches.

          

  30. 6Water heater temperature and pressure relief valves must be located in the upper ___ inches of the tank