National Plumbing Code Of The Philippines

10 Questions | By Arkitekto | Updated: Mar 22, 2022 | Attempts: 1387

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National Plumbing Code of the Philippines Definition of Terms

Questions and Answers

1.

Is the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture , or other device and the flood level rim of the receptacle
- A.
  
  Air Gap
- B.
  
  Air Space
- C.
  
  Air Vant
2.

Is the flow of water, or other liquid mixture or substances into the distributing pipes of a potable supply of water from any source, other than its intended source
- A.
  
  Back Flow
- B.
  
  Back Siphon
- C.
  
  Back pressure
3.

Refers to the back flow of used contaminated or polluted water from a plumbing fixture or vessel into a water supply pipe due to negative pressure in such a pipe
- A.
  
  Back Siphonage
- B.
  
  Back flow
- C.
  
  Back pressure
4.

Refers to any group of two or more similar adjacent fixtures which discharges into a common horizontal waste pipe or soil branch
- A.
  
  Battery of Fixture
- B.
  
  Group of Fixture
- C.
  
  Branch of Fixture
5.

is any part of piping system other than the main riser or stack
- A.
  
  Branch
- B.
  
  Stack
- C.
  
  Horizontal part
6.

Is plugging an opening with an oakum, lead or other materials, that are pounded into place or opening.
- A.
  
  Caulking
- B.
  
  Oakuming
- C.
  
  Plugging
7.

Is a drain from two or three fixture connected to a single trap. It is also called a dual vent.
- A.
  
  Common Vent
- B.
  
  Surface Vent
- C.
  
  Double Vent
8.

Is the minimum cross sectional area at the point of water supply discharge, measured or expressed in terms of diameter of a circle. If the opening is not a circle ,the diameter of a circle that is equivalent the cross sectional area
- A.
  
  Effective Opening
- B.
  
  Surface Opening
- C.
  
  Supply Opening
9.

Is a quantity in terms of which the load producing effects on the plumbing system of different kinds of plumbing fixtures are expressed on some arbitrarily chosen scale
- A.
  
  Fixture Units
- B.
  
  Fixture measure
- C.
  
  Unit of Fixture
10.

is a device located at the bottom of the tank for flushing water closets and similar fixtures.
- A.
  
  Flash Valve
- B.
  
  Flushometer Valve
- C.
  
  Relief Valve