Master Plumber Pre-board Exam Part 2
- 1.Which of the following does not directly affect the size of a sanitary drainage pipe?
- A.
Type and number of fixtures
- B.
Fixture unit value of fixtures
- C.
Type of ventilation system
- D.
Slope of drain
- 2.To boost the water pressure of hot water, use
- A.
Elevated water tank
- B.
Hydroelectric tank
- C.
Gravity tank
- D.
Circulating pump
- 3.A tool used to make watertight joints between flexible copper tubing and fitting or valve.
- A.
Flaring tool
- B.
Pipe vise
- C.
Yoke vise
- D.
Pipe extractor
- 4.A term used to describe the installation of pipes, fittings, devices or other component parts of the plumbing system which can be completed prior to the installation of fixtures or finishing.
- A.
Pipelaying
- B.
Plumbing assembly
- C.
Roughing in
- D.
Mock up installation
- 5.The following are examples of sanitary wares EXCEPT __________.
- A.
Kitchen sink
- B.
Bathtub
- C.
Urinal
- D.
Water closet
- 6.What is the other word for plumber's friend?
- A.
Plumbing apprentice
- B.
Force cup
- C.
Journeyman
- D.
Pipe fitter
- 7.Which among the plumbing practices is prohibited under the code?
- A.
Double trapping a fixture
- B.
Providing a vent pipe to a fixture
- C.
Using fittings to connect pipes instead of bending
- D.
Providing an air gap or air break between the outlet and the flood level rim of a fixture
- 8.Which plumbing principle is contrary to established principles as stipulated in the National Plumbing Code?
- A.
Water closet shall be located in a properly lighted and ventilated room
- B.
Plumbing system shall be maintained in a sanitary and serviceable condition
- C.
Vent terminal shall not extend above the roof
- D.
Fixture directly connected to the plumbing system shall be equipped with a water-sealed trap
- 9.A bidet is a plumbing fixture used for washing ______________.
- A.
Body
- B.
Face
- C.
External genitalia
- D.
Feet
- 10.How many cubic inches are there in a cubic foot?
- A.
144 cu ins.
- B.
1235 cu ins.
- C.
1500 cu ins.
- D.
1728 cu ins.
- 11.What do you call that portion of the drainage system which cannot drain by gravity into the building sewer? It requires the use of a sump pump installed in a sump pit where wastewater is collected and drained into the sewer line using a sump pump.
- A.
Building sewer
- B.
Building subdrain
- C.
Building drain
- D.
Subsoil drain
- 12.All plumbing fixtures listed below are included under the definition of a plumbing unit except ______________.
- A.
Water meter
- B.
Lavatory
- C.
Water closet
- D.
Urinal
- 13.Which in the list considered the most efficient type of venting system?
- A.
Combination waste and vent
- B.
Wet vent
- C.
Individual vent
- D.
Group vent
- 14.What is the recommended slope percentage of horizontal drainage pipe as provided in the code ?
- A.
1%
- B.
2%
- C.
3%
- D.
4%
- 15.An upright wye combination is a kind of ________.
- A.
Fixture
- B.
Tool
- C.
Pipe
- D.
Fitting
- 16.In a trap, what do you call the vertical distance between the top dip and the crown weir?
- A.
Overflow
- B.
Invert
- C.
Crown
- D.
Trap seal
- 17.What testing method is most recommended for sanitary piping system?
- A.
Air pressure test
- B.
Smoke test
- C.
Water pressure test
- D.
Hydrostatic test
- 18.What is the minimum fixture drain size of a wash basin?
- A.
25 mm
- B.
32 mm
- C.
38 mm
- D.
50 mm
- 19.Storm water refers to _________.
- A.
Rainwater, surface run-off
- B.
Liquid plus human waste
- C.
Waste from laundry, sink, etc.
- D.
Domestic sewage
- 20.Which of the following is used to achieve change in direction?
- A.
Pipe
- B.
Fitting
- C.
Fixture
- D.
Appurtenance
- 21.Which fitting or fitting combination is best used at the base of a soil or waste stack?
- A.
Short sweep, 1/4 bend
- B.
1/4 bend
- C.
2- 1/8 bend
- D.
Wye branch and 1/8 bend
- 22.Every exposed trap must _________.
- A.
Be self cleaning
- B.
Have inadequate trap seal in order to cause trap seal loss
- C.
Not be provided with a removable cleanout plug
- D.
Not be able to retain large amount of waste water
- 23.Which of the following is not a sanitary drainage fitting?
- A.
Wye branch
- B.
Nipple
- C.
Tapped tee
- D.
Upright wye
- 24.Which of the following materials is not recommended for water supply system application?
- A.
Concrete pipe
- B.
Brass pipe
- C.
Plastic pipe
- D.
Galvanized steel pipe
- 25.The following are the types of copper tubes EXCEPT __________.
- A.
Type K
- B.
Type L
- C.
Type M
- D.
Type N
Questions: 100 | Attempts: 7211 | Last updated: Mar 6, 2020
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Sample QuestionWhat is the minimum pressure outlet to operate a flush valve in water closet and urinal?
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Sample QuestionThe minimum area of any vent installed in a CW & VS shall be at least _______ the inside cross-sectional area of the drainpipe served.
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