Question Excerpt1. 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 filterD.d. Leach2. These are fixtures that are installed in janitor’s

closets and building maintenance areas for use by the building maintenance personnel.

A.a. Broom ClosetB.

b. Service Sink

C.

c. Master Control Panel

D.d. Wash Basin3. 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 cumB.

c. 3.24 cum

C.b. 1.62 cumD.d. 2.59 cum4. 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

5. The quality of Galvanized Iron pipes are rated by:

A.a. class-steelB.

b. schedule

C.c. mm.

D.d. Gauge6. The minimum soil pipe size for a water closet:A.

b. 4” diameter

B.c. 2” diameter

C.

d. 6” diameter

D.

a. 3” diameter

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

A.a. 15B.b. 10C.

c. 25

D.d. 208. The length of a pipeline measured along the

center lone of the pipe and pipe fittings.A.a. Roughing-inB.

b. Nominal Diameter

C.

c. Developed length

D.

d. Branch Interval

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

A.

a. Sludge

B.b. EffluentC.

c. Scum

D.d. Leeching Chamber10. Prevents water hammer:A.

a. water meter seal

B.b. float valveC.

c. check valve

D.

d. air chamber

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

A.

a. (water) potability

B.b. topographyC.

c. budgetary cost

D.d. (water) demand12. Minimum fixture drains size for Water

Closets.A.a. 1.5”B.

b. 2”

C.

c. 3”

D.

d. 4”

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

A.a. 25mB.b. 10m

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C.

c. 20m

D.d. 15m14. Liquid sewage that has been treated in a

septic tank or sewage treatment plantA.

a. Sludge

B.

b. Scum

C.c. EffluentD.

d. Waste water

15. 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. culvertC.

c. Invert

D.d. inverted16. How many gallons do an average daily

consumption of a Bathtub?A.

a. 5 gallons

B.b. 30 gallonsC.c. 40 gallonsD.d. 100 gallons17. Fluoride as additive in water supply is a

chemical for:A.a. purifier-chlorineB.

b. coagulant

C.c. disinfectantD.d. dental18. Faucet fitted with nozzle curving downward

used as a draw-off tap:A.a. firehouseB.

c. lavatory faucet

C.

b. hose bibb

D.

d. garden hose

19. 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. ABSC.c. ACETALD.d. PP20. A pipe fitting to change in one single

direction (course) the following of water:A.

a. tee

B.

b. cross tee

C.c. wyeD.

d. elbow

21. 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 TubingC c. Polyethylene

.D.

d. Polybuthylene

22. 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 ChlorideD.

d. uPVC

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

A.a. CapB.b. PlugC.c. Blind FlangeD.d. Blank Flange24. 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

25. A cast iron pipe in which the carbon is

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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 PipeB.b. Galvanize Steel PipesC.c. Galvanize Wrought Iron PipeD.

d. Ductile Iron Pipe

26. A 180 degree bend in a pipe.A.a. ElbowB.

b. Return Bend

C.c. Drop ElbowD.d. Wye27. 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

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

A.

a. Bushing

B.

b. Air Chamber

C.c. NippleD.

d. Coupling

29. 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 valveB.

b. Backwater valve

C.c. DownspoutD.d. Catch Basin30. 61. Minimum fixture drains size for a

BathtubA.a. 1.5”B.

b. 2”

C.

c. 3”

D.

d. 4”

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

A.a. Soft WaterB.b. Grey WaterC.c. Black WaterD.

d. Storm Water

32. 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. CaulkingB.b. OakumC.

c. Ferrule

D.D. Lead33. 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 tankD.

d. water tank

34. 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. 1378D.

d. P. D. No. 1378

35. 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 valveC.b. flush valveD.

d. flushometer valve

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

A.a. Flooded areaB.c. FloodedC.b. Flood levelD.

d. Flood level rim

37. 15.    In N. P. C. P. – individual vent is pipe

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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 sizeB.b. International pipe sizeC.

b. Iron pipe size

D.d. Industrial pipe size38. 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. leaderD.d. vertical pipe39. 15.    Common source of potable water in

some rural areasA.a. surface waterB.

c. rain water

C.b. ground waterD.

d. all of the above

40. 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 mmD.d. 50

mm

41. .   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 record42. .   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 vent43. . 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 Gap44. . An outlet, pipe, or receptacle for excess

liquid.A.a. BackflowB b. Overflow

.C.

c. Back Spill

D.d. Over spill45. . A valve that supplies a fixed quantity of

water to fixtures for flushing purposes when actuated by direct water pressure.

A.a. Globe ValveB.b. Flush Valve AssemblyC.

c. Mixing Valve

D.d. Flushometer Valve46. . 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. CesspoolB.

b. Privy

C.c. LatrineD.

d. Septic Tank

47. . 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. NippleD.

d. Coupling

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Question Excerpt

1. What fitting is required to join copper with galvanized pipe?

A.AdaptorB.

Coupling

C.

Dialectric Union

D.Solder JointE.

None of the above

2. What is the diameter of a lavatory tailpiece?A.1 1/4"B.1 1/2"C.1 3/4"D.2"E.

None of the above

3. What size of P-Trap is required for a kitchen sink?

A.1"B.1 1/4"C.1 1/2"D.1 3/4"E.

None of the above

4. What is the name of the fitting that connects the P-Trap to the drain?

A.

Union

B.

Coupling

C.Trap Adaptor

D.

Clamp

E.

None of the above

5. Name the trap assembly used when the drain is centered between both bowls of a kitchen sink.

6. Name the trap assembly used when the drain is centered under one bowl of the kitchen sink.

A.

Center Outlet Continuous Waste

B.

End Outlet Continuous Waste

C.Under-the- Sink AssemblyD.

Single Trap Assembly

E.

None of the above

7. What prevents gases from entering a home or building?

A.Back Flow PreventerB.Anti-Syphon ValveC.P-TrapD.

Atmospheric Pressure

E.

None of the above

8. What is the minimum size drain for a water closet?

A.1 1/2"B.2"C.3"D.4"E.

None of the above

9. What size of drain is required for a combination tub/shower?

A.1 1/2"B.2"C.3"D.4"E.

None of the above

10. What size of drain is required for a shower stall?

A.1 1/2"B.2"C.3"D.4"E.

None of the above

11. What size of drain is required for a washing machine?

A.1 1/2"B.

2 "

C.3"D.4"E.

None of the above

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