Plumbing 3 Quiz

47 Questions | Attempts: 126
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Plumbing Quizzes & Trivia

Plumbing is a practical skill that is needed in different places. Without proper plumbing, the environment can be in disarray. This is why it’s important to be well informed as a practitioner. Take the test below and see how well informed are you on the tools you use or plan to use on the daily.


Questions and Answers
  • 1. 

    How many gallons do an average daily consumption of a Bathtub?

    • A.

      A. 5 gallons

    • B.

      B. 30 gallons

    • C.

      C. 40 gallons

    • D.

      D. 100 gallons

    Correct Answer
    B. B. 30 gallons
  • 2. 

    59. Water from laundries, wash basins, sinks, shower, and bathtub.

    • A.

      A. Soft Water

    • B.

      B. Grey Water

    • C.

      C. Black Water

    • D.

      D. Storm Water

    Correct Answer
    B. B. Grey Water
  • 3. 

    Minimum fixture drains size for Water Closets.

    • A.

      A. 1.5”

    • B.

      B. 2”

    • C.

      C. 3”

    • D.

      D. 4”

    Correct Answer
    C. C. 3”
  • 4. 

    61. Minimum fixture drains size for a Bathtub

    • A.

      A. 1.5”

    • B.

      B. 2”

    • C.

      C. 3”

    • D.

      D. 4”

    Correct Answer
    A. A. 1.5”
  • 5. 

    These are fixtures that are installed in janitor’s closets and building maintenance areas for use by the building maintenance personnel.

    • A.

      A. Broom Closet

    • B.

      B. Service Sink

    • C.

      C. Master Control Panel

    • D.

      D. Wash Basin

    Correct Answer
    B. B. Service Sink
  • 6. 

    Location of cleanouts should be place at every ________ run of horizontal soil or waste piping.

    • A.

      A. 25m

    • B.

      B. 10m

    • C.

      C. 20m

    • D.

      D. 15m

    Correct Answer
    D. D. 15m
  • 7. 

    64. A device installed in piping to prevent the reverse flow of storm or sewage into the drainage system ot their branches.

    • A.

      A. Check valve

    • B.

      B. Backwater valve

    • C.

      C. Downspout

    • D.

      D. Catch Basin

    Correct Answer
    B. B. Backwater valve
  • 8. 

    A cast iron pipe in which the carbon is reformed by magnesium inoculation, resulting in a material having high strength without otherwise changing its basic properties. Good corrosion resistance makes this type of pipe especially useful in underground installations.

    • A.

      A. Acid Resistance Cast Iron Pipe

    • B.

      B. Galvanize Steel Pipes

    • C.

      C. Galvanize Wrought Iron Pipe

    • D.

      D. Ductile Iron Pipe

    Correct Answer
    D. D. Ductile Iron Pipe
  • 9. 

    A rigid type of pipe known to have a good chemical resistance, excellent impact strength, especially at low temperatures and maintains rigidity at high temperatures. (black / gray pipe)

    • A.

      A. cPVC

    • B.

      B. ABS

    • C.

      C. ACETAL

    • D.

      D. PP

    Correct Answer
    B. B. ABS
  • 10. 

    A flexible type of pipe known to have the only flexible plastic tubing suitable for use with hot and color water pressure system. And it also known as an excellent chemical resistance to acids and alkalis but is not suited for fuel oil, gasoline or kerosene distribution system. (blue or gray pipe)

    • A.

      A. Polyethylene

    • B.

      B. Polybutylene

    • C.

      C. Polyvinyl Chloride

    • D.

      D. uPVC

    Correct Answer
    B. B. Polybutylene
  • 11. 

    . A type of private sewage disposal that has a vault constructed of concrete for the collection or raw sewage and a wooden shelter.

    • A.

      A. Cesspool

    • B.

      B. Privy

    • C.

      C. Latrine

    • D.

      D. Septic Tank

    Correct Answer
    B. B. Privy
  • 12. 

    69. A Piece of pipe lesser than 12” length / threaded on both ends.

    • A.

      A. Bushing

    • B.

      B. Air Chamber

    • C.

      C. Nipple

    • D.

      D. Coupling

    Correct Answer
    C. C. Nipple
  • 13. 

    A flexible type pipe that is excellent in chemical and crush resistance has impact strength and flexibility and good low temperature performance. (black-bluish pipe)

    • A.

      A. uPVC

    • B.

      B. Copper Tubing

    • C.

      C. Polyethylene

    • D.

      D. Polybuthylene

    Correct Answer
    C. C. Polyethylene
  • 14. 

    . The clear vertical distance between the spout of a faucet or other supply pipe and the flood level of a receptacle.

    • A.

      A. Air Chamber

    • B.

      B. Trap

    • C.

      C. Vent Stack

    • D.

      D. Air Gap

    Correct Answer
    D. D. Air Gap
  • 15. 

    The length of a pipeline measured along the center lone of the pipe and pipe fittings.

    • A.

      A. Roughing-in

    • B.

      B. Nominal Diameter

    • C.

      C. Developed length

    • D.

      D. Branch Interval

    Correct Answer
    C. C. Developed length
  • 16. 

    A device for regulating the supply of water in a flush tank by means of hallow floating ball which by its rise or fall shuts or opens a supply valve.

    • A.

      A. Ball Cock

    • B.

      B. Compression Cock

    • C.

      C. Key Cock

    • D.

      D. Self-closing Cock

    Correct Answer
    A. A. Ball Cock
  • 17. 

    . A coupling device for connecting 2 pipes neither of which can be turned, consisting of two internally threaded end piece which are tightened around the pipes ends to be joined, and an externally threaded center piece, which draws the two end pieces together as it is rotated.

    • A.

      A. Reducer

    • B.

      B. Union

    • C.

      C. Nipple

    • D.

      D. Coupling

    Correct Answer
    B. B. Union
  • 18. 

    Liquid sewage that has been treated in a septic tank or sewage treatment plant

    • A.

      A. Sludge

    • B.

      B. Scum

    • C.

      C. Effluent

    • D.

      D. Waste water

    Correct Answer
    C. C. Effluent
  • 19. 

    86. A pit or reservoir serving as a drain or receptacle for water or other liquids.

    • A.

      A. Building Sewer

    • B.

      B. Septic Tank

    • C.

      C. Sump

    • D.

      D. Cistern

    Correct Answer
    C. C. Sump
  • 20. 

    Sediment that settles out of sewage, forming a semi-solid mass on the bottom of a septic tank

    • A.

      A. Sludge

    • B.

      B. Effluent

    • C.

      C. Scum

    • D.

      D. Leeching Chamber

    Correct Answer
    A. A. Sludge
  • 21. 

    . A valve that supplies a fixed quantity of water to fixtures for flushing purposes when actuated by direct water pressure.

    • A.

      A. Globe Valve

    • B.

      B. Flush Valve Assembly

    • C.

      C. Mixing Valve

    • D.

      D. Flushometer Valve

    Correct Answer
    D. D. Flushometer Valve
  • 22. 

    . An outlet, pipe, or receptacle for excess liquid.

    • A.

      A. Backflow

    • B.

      B. Overflow

    • C.

      C. Back Spill

    • D.

      D. Over spill

    Correct Answer
    B. B. Overflow
  • 23. 

    A 180 degree bend in a pipe.

    • A.

      A. Elbow

    • B.

      B. Return Bend

    • C.

      C. Drop Elbow

    • D.

      D. Wye

    Correct Answer
    B. B. Return Bend
  • 24. 

    To cause water or other liquid to percolate through something, so as to dissolve out soluble constituents.

    • A.

      A. Aeration

    • B.

      B. Aquifer

    • C.

      C. Sand filter

    • D.

      D. Leach

    Correct Answer
    D. D. Leach
  • 25. 

    A flange that closed the end of a pipe. There is no opening for the passage of water.

    • A.

      A. Cap

    • B.

      B. Plug

    • C.

      C. Blind Flange

    • D.

      D. Blank Flange

    Correct Answer
    C. C. Blind Flange
  • 26. 

    Faucet fitted with nozzle curving downward used as a draw-off tap:

    • A.

      A. firehouse

    • B.

      C. lavatory faucet

    • C.

      B. hose bibb

    • D.

      D. garden hose

    Correct Answer
    B. C. lavatory faucet
  • 27. 

    One of the first steps in the selection of a suitable water supply source is:

    • A.

      A. (water) potability

    • B.

      B. topography

    • C.

      C. budgetary cost

    • D.

      D. (water) demand

    Correct Answer
    A. A. (water) potability
  • 28. 

    The minimum soil pipe size for a water closet:

    • A.

      A. 3” diameter

    • B.

      B. 4” diameter

    • C.

      C. 2” diameter

    • D.

      D. 6” diameter

    Correct Answer
    A. A. 3” diameter
  • 29. 

    Fluoride as additive in water supply is a chemical for:

    • A.

      A. purifier-chlorine

    • B.

      B. coagulant

    • C.

      C. disinfectant

    • D.

      D. dental

    Correct Answer
    D. D. dental
  • 30. 

    The quality of Galvanized Iron pipes are rated by:

    • A.

      A. class-steel

    • B.

      B. schedule

    • C.

      C. mm.

    • D.

      D. Gauge

    Correct Answer
    B. B. schedule
  • 31. 

    A pipe fitting to change in one single direction (course) the following of water:

    • A.

      A. tee

    • B.

      B. cross tee

    • C.

      C. wye

    • D.

      D. elbow

    Correct Answer
    D. D. elbow
  • 32. 

    The minimum distance (in meters) of well from a septic tank

    • A.

      A. 15

    • B.

      B. 10

    • C.

      C. 25

    • D.

      D. 20

    Correct Answer
    A. A. 15
  • 33. 

    Prevents water hammer:

    • A.

      A. water meter seal

    • B.

      B. float valve

    • C.

      C. check valve

    • D.

      D. air chamber

    Correct Answer
    D. D. air chamber
  • 34. 

    .   Theaters or movie houses’ water requirement is determined or estimated at 5 gallons of water per day per

    • A.

      A. Total numbers of moviegoers a day

    • B.

      C. Floor area space of auditorium

    • C.

      B. Total number of auditorium seat

    • D.

      D. Box-office record

    Correct Answer
    C. B. Total number of auditorium seat
  • 35. 

    The reference in measuring the depth of a trap seal of the trap:

    • A.

      A. Crown weir to bottom dip

    • B.

      C. Inlet to outlet

    • C.

      B. Bottom dip to top dip

    • D.

      D. Crown weir to top dip

    Correct Answer
    D. D. Crown weir to top dip
  • 36. 

    .   The part of a vent line which connects directly with an individual trap underneath or behind the fixture and     extends to the branch or main pipe at and point higher than the fixture trap:

    • A.

      A. blow-off pipe

    • B.

      B. vent thru roof

    • C.

      C. unit vent

    • D.

      D. back vent

    Correct Answer
    D. D. back vent
  • 37. 

    The septic tank has a total volume of 6.48 cum, what should be the required volume of its leaching chamber?

    • A.

      A. 2.16 cum

    • B.

      C. 3.24 cum

    • C.

      B. 1.62 cum

    • D.

      D. 2.59 cum

    Correct Answer
    A. A. 2.16 cum
  • 38. 

    15.       In the N. P. C. P. – it is a metallic sleeve caulked or joined to an opening in a piping into which a plug is screwed that can be removed for cleaning the interior of the pipe.

    • A.

      A. Caulking

    • B.

      B. Oakum

    • C.

      c. Ferrule

    • D.

      D. Lead

    Correct Answer
    C. c. Ferrule
  • 39. 

    15.    In N. P. C. P. – it is the law of the plumbing practice in the Philippines.

    • A.

      A. R.A. No. 1379

    • B.

      B. R.A. No. 1278

    • C.

      C. R.A No. 1378

    • D.

      D. P. D. No. 1378

    Correct Answer
    C. C. R.A No. 1378
  • 40. 

    15.    In N. P. C. P. – is the top edge of a receptacle from where water overflows

    • A.

      A. Flooded area

    • B.

      C. Flooded

    • C.

      B. Flood level

    • D.

      D. Flood level rim

    Correct Answer
    D. D. Flood level rim
  • 41. 

    15.    In N. P. C. P., a tank located above or integral with water closet, urinal or similar fixtures for flushing or removing excrements in the fixture

    • A.

      A. discharge tank

    • B.

      C. flushometer tank

    • C.

      B. flush tank

    • D.

      D. water tank

    Correct Answer
    C. B. flush tank
  • 42. 

    15.    In N. P. C. P. – it is a device, which discharges a predetermined quantity of water into fixtures for flushing purposes and is activated by direct water pressure.

    • A.

      A. globe valve

    • B.

      C. gate valve

    • C.

      B. flush valve

    • D.

      D. flushometer valve

    Correct Answer
    D. D. flushometer valve
  • 43. 

    15.    Common source of potable water in some rural areas

    • A.

      A. surface water

    • B.

      C. rain water

    • C.

      B. ground water

    • D.

      D. all of the above

    Correct Answer
    C. B. ground water
  • 44. 

    15.    Assuming the waste pipe of a fixture is 50 mm, what should be the size of its vent pipe?

    • A.

      A. 32 mm

    • B.

      B. 25 mm

    • C.

      C. 38 mm

    • D.

      D. 50 mm

    Correct Answer
    A. A. 32 mm
  • 45. 

    15.    In N. P. C. P. – individual vent is pipe installed to vent a fixture trap & which connects with the vent system above the fixture served or terminates in the open air.  A term I. P. S. means _______________

    • A.

      A. Individual pipe size

    • B.

      B. International pipe size

    • C.

      B. Iron pipe size

    • D.

      D. Industrial pipe size

    Correct Answer
    C. B. Iron pipe size
  • 46. 

    In N. P. C. P. – it is the lowest portion of the interior part of any pipe or conduit that is not vertical

    • A.

      A. Indirect

    • B.

      B. culvert

    • C.

      C. Invert

    • D.

      D. inverted

    Correct Answer
    C. C. Invert
  • 47. 

    15.    In N. P. C. P. – a pipe connected from building gutter to the downspout or conductor.

    • A.

      A. guide pipe

    • B.

      C. storm water pipe

    • C.

      B. leader

    • D.

      D. vertical pipe

    Correct Answer
    C. B. leader

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • May 10, 2018
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 21, 2014
    Quiz Created by
    Drey081913
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