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: 16117 | Last updated: Mar 22, 2022
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Sample QuestionWhat fitting is required to join copper with a galvanized pipe?
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Sample QuestionThe C of F Holder and the impairment coordinator shall be made aware of and authorize the placement of system(s) out of service that are planned to be shut down. The impairment coordinator prior to taking a system out of service shall:
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