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Plumber Practice Test: Rain Water Harvesting
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Plumber Practice Test: Rain Water Harvesting
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25 Questions

1. What is the diameter of pipe for rain water harvesting in roof area 12 sq. meter with average rainfall of 100mm?
2. What is the name of part marked as X?
3. What is meant by TPI screw thread?
4. Which type of closet, pan and trap are constructed in one piece?
5. When is solvent welded PVC pipe tested?
6. Which pipe fitting is used to connect two pipes with different diameters in a straight line?
7. What is the surface joining crest and root?
8. What is the minimum depth of trench for laying PVC pipe?
9. Which tap wrench is suitable for large diameter of taps?
10. What is the minimum capacity of automatic flushing cistern?
11. What is the effect of water flow if suddenly arrested by a tap or valve?
12. What is the outside diameter of 1” G.I pipe?
13. What is the name of the pipe fitting?
14. Which fixture is used for hand and face washing?
15. What is the recharge pit depth made for smaller building of roof area 100-150 sq. m for rain water harvesting system?
16. Which type of screw thread is formed on pipes?/
17. What is marked as ‘X’?
18. What is the size of PVC pipe for roof top rainwater harvesting in domestic purpose?
19. What is fixed along with European closet to wash the body after use?
20. What is the minimum depth of water seal in a water closet? /
21. Which fixture is used for urinal purpose?
22. Which tool is used to align and drive the hand taps correctly into the hole?
23. What is the standard height from floor to the top of the sink?
24. What is the TPI of 4” diameter pipe?
25. What tool is used to gauge internal pipe thread?

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