Plumbing Code 21-40

21. Method of water treatment wherein denser objectionable elements settle on the bottom of the basin for easy separation:
22. An erected scaffold must have handrails and:
23. A passage under a road embankment or canal which allows for the flow of water :
24. The boiling point of water is the point in which:
25. An underground tank reservoir to store water:
26. LFL is the abbreviation for:
27. Portion of drainage pipe installation intended to maintain a balanced atmospheric pressure inside the system:
28. It is used for control, isolation and repair of the water distribution system
29. It is the settling process wherein water is left in a large basin for a long period of time:
30. Which of the ff installations do not require installation of a clean out?
31. The reference in measuring the depth of a trap seal of the P-trap:
32. The correct line to draw to reflect a hot water pipe is a:
33. Most handicap shower faucet installations include:
34. A floor-mounted toilet is sealed to the drainage system using closet bolts and a:
35. It shall be supported at every one meter interval:
36. It is draining of the water seal caused by foreign objects like thread or string suspended and extended over the outlet arm of the trap
37. Three common types of valves are:
38. What do you call the trade name for a combination of a wye and a eight bend?
39. A full circle connected to a line illustrated in plan view of a piping system indicated that it is a:
40. A fitting constructed to prevent passage of air, gas and other elements through the pipe without affecting the flow of water is called:

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