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1. Which among the list of plumbing materials is not suitable for potable water supply system?a. Aluminium pipesb. Centrifugally cast iron pipes with cement mortar liningc. Glass-Lined Metallic pipesd. Vitified clay pressure pipe, hub & spigot ends

2. Which among the choices is the maximum working pressure of 12.7mm-38mm schedule 40plastic tube?a. 2,204.8 kPab. 1,515.8 kPac. 1,162.4 kPad. 1,722.5 kPa

3. What is the minimum horizontal distance in clear required from water supply wells to septictank?a. 1.5 mb. 15.2 mc. 30.5d. 45.7 m

4. Every abandoned building (house) sewer, or part thereof, shall be plugged or capped in anapproved manner within ______ of the property line.a. 1.7 mb. 3.0 mc. 1.5 md. 1.0 m

5. Interceptors shall be of approved design and be of not less than ______ compartments.a. 1

b.

2c. 3d. 4

6. Wooden septic tanks are:a. Approved for useb. Recommended by the administrative authorityc. Prohibitedd. Safe to use

7. The minimum thickness of any steel septic tank shall be:a. No. 12 US gauge (2.8mm)b. No. 10 US gaugec. No. 14 US gauged. No. 8 US Gauge

8. Access to each septic tank shall be provided by at least two (2) manholes _____ in minimumdimension or by an equivalent removable cover slab.a. 600 mmb. 508 mm

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c. 700 mmd. 902 mm

9. The inlet compartment of any septic tank shall be not less than two-thirds of the total capacityof the tank, nor less than _______ liquid capacity, and shall be at least 0.9m in width and 1.5min length.a. 1 cu.mb. 3 cu.mc. 2 cu.md. 5 cu.m

10. What is the weight in water supply fixture units (public) of a flushometer-tank water closet?

a. 3b. 4c. 5d. 10

11. The addition of leak sealing additives to joint packing is:a. Prohibitedb. Encouragedc. Approvedd. Not used

12. Additional building sewer cleanouts shall be installed not to exceed ______ on center in straightruns and for each aggregate change in direction exceeding ______ degrees.a. 15 m, 135 degreesb. 10m, 135 degreesc. 15m, 155 degreesd. 9m, 155 degrees

13. No building sewer shall be smaller than _______ diameter nor less in size than the buildingdrain.a. 100 mmb. 150 mmc. 300 mmd. 200 mm

14. The public sewer may be considered as not being available when such public sewer or anydrainage facility connected thereto is located more than ______ from any proposed building orexterior drainage facility on any lot or premises thereat.a. 35 mb. 56 mc. 61 md. 15 m

15. In sizing gutters, what is the maximum slope provided by the code?a. 4 %

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b. 2%c. 6%d. 1%

16. For manila and environs, a rainfall intensity of ______ is used.a. 150 mm per hourb. 100 mm per hourc. 211 mm per hourd. 102 mm per hour

17. Rainwater downspout or conductor located on the exterior side of a low height building shallnot be less than _______ galvanized sheet metal.

a. 12 gaugeb. 26 gaugec. 24 gauged. 18 gauge

18. The developed length between the trap of a water closet or similar fixture (measured from thetop of the closet ring [closet flange] to the inner edge of the vent) and its vent shall not exceed _________.a. 1829 mmb. 1600 mmc. 2100 mmd. 1500 mm

19. Each fixture trap shall have a water seal of not less than _____ and not more than ____ deepexcept where a deeper seal is found necessary by the administrative authority for specialconditions.a. 60 mm / 102 mm

b.

51 mm / 102 mmc. 62 mm / 150mmd. 40 mm / 100 mm

20. S, Bell and crown vented traps are:a. Approved for useb. Recommended by the codec. Prohibited for used. Can be used

21. The yoke vent connection with the vent stack shall be placed not less than _____ above thefloor level, and the yoke vent connection with the drainage stack shall be by means of a wyebranch fitting placed below the fixture branch serving that floor.a. 1.0 mb. 0.60 mc. 1.2 md. 1.5 m

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22. Flagpoling of vents is:a. Strictly prohibitedb. Prohibited except where the roof is used for other purposes other than weather

protectionc. Recommendedd. Mandatory

23. The airgap for drainage shall be not less than _____ between the plumbing fixture, appliance orappurtenance outlet and the rim of the floor sink or receptor.a. 25 mmb. 19 mmc. 27 mmd. 32 mm

24. Only _____ water closets or 6 fixture unit traps are allowed on any vertical pipe or stack, andnot to exceed _____ water closets or 6 fixture unit traps on any horizontal branch or drain.a. 4,3b. 2,3c. 3,3d. 4,5

25. What is the maximum fixture unit of drainage piping (horizontal) for a 102 mm diameter pipe?a. 216b. 256c. 91d. 119

26. Cleanouts may be omitted on horizontal drain line less than _____ in length unless such line isserving sinks or urinals.a. 2.0 mb. 1.0 mc. 1.5 md. 2.5 m

27. What is the minimum trap and trap arm size of floor drains?a) 38 mmb) 32 mmc) 51 mmd) 76 mm

28. All pipe size determinations shall be based on _____ of the reduced pressure.a. 80 %b. 60%

c. 50%d. 75%

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29. Whenever the water pressure in the main or other source of supply will not provide a waterpressure of at least ______, after allowing friction and other losses, a hydro-pneumatic pressuretank or an elevated tank and booster pump will provide said _____ pressure.

a. 55 kPab. 150 kPac. 103 kPad. 250 kPa

30. In water piping, upon completion of a section or of the entire hot and cold water supplysystems, it shall be tested and proved tight under a water pressure not less than the workingpressure under which it is to be used plus 50%. The water used for test shall be obtained from apotable source of supply. A _____ air pressure may be substituted for the water test. In eithermethod of test, the piping shall withstand the test without leaking for a period of not less than ______.a. 344.5 kPa, 15 minutesb. 103 kPa, 15 minutesc. 344.5 kPa, 30 minutesd. 103 kpa, 30 minutes

31. What is the minimum number of water closet for schools for student use (secondary) for

female?a. 1 per 25b. 1 per 30c. 1 per 35d. 1 per 75

32. Birth of plumbing profession in the Philippinesa. Cebub. Manila

c. Intramurosd. Bataan

33. Plans and Specifications shall be submitted in ______ with each application for permit.a. 5 setsb. 6 setsc. 4 setsd. 2 sets

34. _____ of approved plans, specifications and data shall be returned to the applicant and ownera. 1 setb. 2 setsc. 3 setsd. 4 sets

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35. A plumbing permit shall expire if the plumbing work is not commenced within ______ from thedate of such permit or if the plumbing work is suspended or abandoned at any time after havingbeen commenced for a period of ____.a. 1 year, 120 daysb. 1 year, 90 daysc. 1.5 year, 100 daysd. 1 year, 130 days

36. What do you call this tool?

a. Flange plungerb. Pressure plunger

c. Plungerd. Ribbed plastic declogger

37. What is this tool?

a. Basin wrenchb. Lock-nut wrenchc. Seat wrenchd. Strainer wrench

38. Name of this tool?

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a. Handle pullerb. Flaring toolc. Pipe benderd. Tubing bender

39. What is this tool?

a. Monkey wrenchb. Power mitter box

c. Yoke viced. Pipe cutter

40. A device used to cut grooves into the end of a metal pipe?a. Pipe threaderb. Deburring toolc. Yoke viced. Pipe cutter

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