Plumbing Code Trivia Quiz! Test
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Questions and Answers
- 1.
Plumbing shall be installed by Registered Master Plumbers with due regard to the preservation of the strength of structural members and the prevention of damage to walls and other surfaces through fixture usage.
- A.
Principle No. 19
- B.
Principle No. 20
- C.
Principle No. 21
- D.
Principle No. 22
Correct Answer
C. Principle No. 21Explanation
Principle No. 21 states that plumbing should be installed by Registered Master Plumbers with consideration for the preservation of the strength of structural members and the prevention of damage to walls and other surfaces through fixture usage. This means that qualified professionals should be responsible for installing plumbing systems in a way that does not compromise the structural integrity of the building and avoids causing any damage to walls or other surfaces.Rate this question:
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- 2.
A plumbing permit issued under the provisions of this Code shall expire and become null and void if the plumbing work authorized therein is not commenced within one year from the date of such permit or if the plumbing work so authorized is suspended or abandoned at any time after having been commenced for a period of ______ days.
- A.
30
- B.
60
- C.
90
- D.
120
Correct Answer
D. 120Explanation
If the plumbing work authorized by the permit is not commenced within one year from the date of the permit, or if the plumbing work is suspended or abandoned after it has been started for a period of 120 days, the plumbing permit will expire and become null and void. This means that the permit will no longer be valid, and the plumbing work will not be authorized or approved according to the provisions of the Code.Rate this question:
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- 3.
Plumbing fixtures used for washing the middle private part of the body, especially the genitals. Also called a "sitz" bath.
- A.
Bibb
- B.
Bidet
- C.
Branch
- D.
Black flange
Correct Answer
B. BidetExplanation
A bidet is a plumbing fixture used for washing the middle private part of the body, especially the genitals. It is also commonly referred to as a "sitz" bath.Rate this question:
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- 4.
Any pipe, which conveys the discharge of water closet, urinal, or fixtures having similar functions, with or without the discharges from other fixtures to the building drain or building sewer.
- A.
Soil pipe
- B.
Waste pipe
- C.
Urinal pipe
- D.
Discharge pipe
Correct Answer
A. Soil pipeExplanation
A soil pipe is a type of pipe that is used to convey the discharge of water closet, urinal, or fixtures with similar functions. It can also carry the discharges from other fixtures to the building drain or building sewer. This type of pipe is specifically designed to handle the waste and sewage materials, ensuring proper drainage and disposal. It is typically made of durable materials to withstand the corrosive nature of the waste materials.Rate this question:
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- 5.
The water shall be kept in the pipe system or in the portion under test, for at least ____ minutes before inspection starts.
- A.
10
- B.
15
- C.
20
- D.
25
Correct Answer
B. 15Explanation
The water should be kept in the pipe system or in the portion under test for at least 15 minutes before inspection starts. This is necessary to ensure that the water has enough time to fill the pipes and reach a stable state, allowing any potential leaks or issues to become apparent during the inspection. Keeping the water for a shorter period may not provide enough time for any problems to manifest, while keeping it for a longer period may not be necessary and could lead to unnecessary delays in the inspection process.Rate this question:
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- 6.
The air test shall be made by attaching an air compressor testing apparatus to any suitable opening, and after closing all other inlets and outlets to the system, the air is forced into the pipe system until there is a uniform gauge pressure of ________ or sufficient to balance a column of mercury 254 mm in height.
- A.
35.4 kPa
- B.
43.5 kPa
- C.
34.5 kPa
- D.
44.5 kPa
Correct Answer
C. 34.5 kPaExplanation
The air test is conducted by connecting an air compressor testing apparatus to a suitable opening in the pipe system. All other openings are closed to ensure a proper test. The air is then forced into the system until a uniform gauge pressure of 34.5 kPa is achieved. This pressure is sufficient to balance a column of mercury 254 mm in height.Rate this question:
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- 7.
Whenever the water pressure in the main or another source of supply will not provide water pressure of at least _____, after allowing friction and other pressure losses, a hydropneumatic pressure tank or an elevated tank and booster pump will provide said ______ pressure.
- A.
101 kPa
- B.
103 kPa
- C.
105 kPa
- D.
110 kPa
Correct Answer
B. 103 kPaExplanation
Whenever the water pressure in the main or another source of supply will not provide water pressure of at least 103 kPa, after allowing friction and other pressure losses, a hydropneumatic pressure tank or an elevated tank and booster pump will provide said pressure.Rate this question:
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- 8.
Water pipes crossing sewer or drainage piping constructed of clay or materials, not approved for use within a building, shall be laid a minimum of _____ above the sewer or drain pipe.
- A.
0.30 m
- B.
0.50 m
- C.
0.10 m
- D.
0.15 m
Correct Answer
A. 0.30 mExplanation
Water pipes crossing sewer or drainage piping constructed of clay or materials not approved for use within a building should be laid a minimum of 0.30 m above the sewer or drain pipe. This is to ensure that there is sufficient separation between the water pipe and the sewer or drainage piping to prevent any contamination or damage to the water supply. By having this minimum distance, it reduces the risk of any potential cross-contamination between the water supply and the sewer or drainage system.Rate this question:
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- 9.
No building water service pipe shall be less than _____ in diameter.
- A.
16 mm
- B.
18 mm
- C.
19 mm
- D.
20 mm
Correct Answer
C. 19 mmExplanation
The correct answer is 19 mm. This is because building water service pipes need to have a certain diameter to ensure an adequate flow of water. A smaller diameter pipe may not be able to provide sufficient water pressure and flow for the building's needs. A larger diameter pipe may be unnecessary and could result in wasted water. Therefore, 19 mm is the appropriate diameter for a building water service pipe.Rate this question:
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- 10.
No galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least ____ above ground.
- A.
152 mm
- B.
155 mm
- C.
160 mm
- D.
162 mm
Correct Answer
A. 152 mmExplanation
Galvanized wrought iron or galvanized steel pipes should not be used underground to avoid corrosion. They should be kept at least 152 mm above ground to prevent contact with moisture and soil, which can accelerate the corrosion process. This distance ensures that the pipes remain protected and durable.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Jun 25, 2018Quiz Created by
Sidneyvillaflor
Plumbing: Master Plumber Exam! Trivia Questions Quiz
Plumbing: Master Plumber Exam! Trivia Questions Quiz
National Plumbing Code of the Philippines, Revised edition (1999) part 2
National Plumbing Code of the Philippines, Revised edition (1999) part 2
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