1. Women's urinal fixture?

(a) feminine stall urinal

(b) bidet
(c) washdown
(d) flatback
2. Which wall is best suited if soil pipe will run through it?
(a) drywall
(b) 6" CHB
(c) retaining wall
(d) shear wall
3. What is the color coding of pipes for potable water?
(a) blue
(b) green
(c) light blue
(d) cyan
4. What is the standard water consumption (gallon/ person/
day) used in a 2 storey residence?
(a) 90-120
(b) 40-60
(c) 50-80
(d) 30-40
5. What is installed in a fixture to alleviate the effects of too
much water pressure?
(a) water pressure regulator
(b) back splash
(c) regulator cup
(d) water filtration
6. What can be discharge directly to sewer system?
(a) storm water
(b) grey water
(c) oil and grease
(d) building sewer
7. Prevents water hammer?
(a) air chamber
(b) check valve
(c) water meter seal
(d) float valve
8. The minimum size of trap and waste branch for a bidet?
(a) 1-1/2 dia
(b) 1" dia
(c) 3" dia
(d) 2" dia
9. Alternative to conventional septic tank
(a) aerobic treatment system
(b) landfill
(c) cistern
(d) STP
10. A faucet fitted with nozzle curving downward used as a
draw-of trap
(a) garden hose
(b) firehouse
(c) bibcock
(d) lavatory faucet
11. When water goes up through a vertical pipe, it stops at a
certain height. Why?
(a) all things stop
(b) the pressure inside the pipe equates to the pressure outside
the pipe causing the water to stop at that point where it
appears
(c) gravity and friction overcomes the pressure and the water
slowly stops
(d) it's own gravity weight counters its speed of going up
12. The minimum size of a swimming pool drain?
(a) 4" dia
(b) 3" dai
(c) 6" dia
(d) 2" dia
13. The minimum sized of a trap and waste branch for a size of
foot bath?
(a) 1-1/2" dia
(b) 1-1/4" dia
(c) 1" dia
(d) 2" dia
14. Allowable slope of sanitary sewer?
(a) 1/2 in of 1 meter
(b) 1 ft of 1 meter
(c) 1/4 of 1 ft
(d) 1/4 of 1 meter
15. An elbow having lugs for attachment to wall or joist.

(a) X11.5
(b) X11.4
(c) X11.1
(d) X11.2
16. Base on the figure shown, identify the type of closet at letter
"A"?

(a) reverse-trap
(b) siphon-vortex
(c) wash-down
(d) siphon-jet
17. What is used to shut off flow of water during maintenance?
(a) angle valve
(b) check valve
(c) gate valve
(d) globe valve
18. The minimum size of trap and waste branch for a shower
stall?
(a) 3" dia
(b) 1" dia
(c) 1-1/2" dia
(d) 2" dia
19. The part of a vent line which connects directly with an
individual trap underneath or behind the fixture and extends to
the branch or man pipe at any point higher than the fixture trap?
(a) back vent pipe
(b) blow-pipe
(c) soil pipe
(d) VTR
20. How do you connect PPRC?
(a) solvent
(b) mechanical fastener
(c) fusion welding
(d) coupling
21. A toilet bowl in which the flushing water enters through the
rim and sipping action ignited by a water jet draws the contents
of the bowl through the tramway?
(a) reverse trap
(b) siphon vortex
(c) siphon jet
(d) wash-down
22. Which plumbing fixture does not have a water-saving
feature?
(a) flow limiting feature
(b) 1.5 gallon flush water closet
(c) lavatory with pop-up
(d) waterless urinal
23. What should not be permitted to cross a beam?
(a) electrical wiring
(b) soil pipe
(c) AC ducts
(d) water pipe
24. What is the typical slope of waste pipe?
(a) 1%
(b) 3%
(c) 2%
(d) 4%
25. One of the first steps in the selection of a suitable water
supply source is?
(a) demand (water)
(b) topography
(c) budgetary cost
(d) potability (water)
26. Can you embed a 4" diameter pipe in a 150 mm wall?
(a) yes
(b) no
(c) sometimes
(d) maybe
27. According to NBC, pipe support should be every,
(a) 1.5 m
(b) 3 m
(c) 2 m
(d) 4 m
28. In high rise buildings, why is there a need to resize water
supply pipes?
(a) because different fixtures have different supply attachments
(b) to use up the difference in pressure from the service to
supply fixture
(c) pipes are like trees, main branch are bigger and becomes
smaller at ends for carrying wind loads and storms
(d) pipes having bigger size have bigger pressure and reduce
the size for distribution to fixture for lower pressure
29. A pipe fitting having a large radius of curvature
(a) X11.3
(b) X11.2
(c) X11.1
(d) X11.5
30. Valve permitting a gas or liquid to flow in one direction.
(a) angle valve
(b) globe valve
(c) check valve
(d) gate valve
31. What is the minimum trap seal?
(a) 2.5"
(b) 1.5"
(c) 3"
(d) 2"
32. What is the color of pipes for steam
(a) blue
(b) light blue
(c) gray
(d) white
33. A sewage treatment that includes the exposure to air.
(a) air-dehumidification treatment system
(b) exposed STP system
(c) SW treatment system
(d) aerator
34. Fluoride as an additive in water supply is a chemical for?
(a) disinfectant
(b) coagulant
(c) purify
(d) dental
35. Where should you place soil-pipes for high-rise structures?
(a) column
(b) pipe chase
(c) partitions
(d) RC wall
36. Should not be use for a pipe chase?
(a) CHB
(b) shearwall
(c) double wall
(d) drywall
37. A pipe which conveys only liquid waste, free of fecal matter?
(a) waste pipe
(b) wet vent
(c) vent pipe
(d) soil pipe
38. Base on the figure below, which of the following is a 1/4
bend fitting?

(a) A
(b) D
(c) B
(d) C
39. Where are storm sewer usually placed?
(a) under the sidewalk on narrow road and under the road on
wide road
(b) at the center of the road
(c) near the curb
(d) none
40. Which is not a rule of a thumb when designing a drainage?
(a) as much as possible, pipes must run in a straight line
(b) it should be underneath the driveway
(c) underground drainage line should be on top of compacted
soil
(d) none
41. In the given figure, identify the plumbing fixture in label "8"?
(a) 4" closet bend
(b) 2" 1/4 bend
(c) 2" 1/4 bend
(d) 2" trap assembly
42. Best location to put the soil pipes.
(a) box-up with column
(b) drywall
(c) 150 mm CHB wall
(d) pipe chase
43. This material is used in threaded pipe connections to
prevent leakage.
(a) elastomeric gasket
(b) structural polyester thread
(c) polymer
(d) teflon
44. Opening use to received pipes?
(a) pipe chase
(b) ducts
(c) vertical shaft
(d) raceway
45. The minimum number of water closet unit required for the
female production of an elementary school?
(a) 1 per 25
(b) 1 per 75
(c) 1 per 50
(d) 1 per 30
46. Copper pipes are classified as what main pipe?
(a) s/s
(b) PVC
(c) galvanized iron
(d) ceramic
47. Best for sanitary pipes?
(a) PP
(b) GI
(c) uPVC
(d) PeX
48. A drain connecting one or more fixture to a solid or waste
stack?
(a) circuit drain
(b) combined drain
(c) branch drain
(d) floor drain
49. Minimum height of Siamese connection from ground line?
(a) 45 mm
(b) 600 mm
(c) 500 mm
(d) 38 mm
50. Base on the figure shown, which of the water closets is the
noisiest?

(a) B
(b) D
(c) A
(d) C
51. Level 3 types of water service refers to?
(a) individual house pipes in connection with meter
(b) individual shallow well hand up installation
(c) artesian well
(d) public faucet
52. A pipe fitting to change in one singe direction (course) the
flow of water:
(a) wye
(b) elbow
(c) cross tee
(d) tee
53. In the figure below, which is the reducing socket?

(a) D
(b) B
(c) C
(d) A
54. An individual vent for a plumbing fixture located at the
downstream of the trap?
(a) vent pipe
(b) back vent
(c) vent through roof
(d) branch vent
55. Best size of pipe connected to 5 sinks?
(a) 2-1/2"
(b) 3"
(c) 4"
(d) 2"
56. Black steel pipe with galvanized malleable fitting is ideal
for?
(a) water pipe
(b) oxygen pipe
(c) gas pipe
(d) electrical conduit
57. In storm drainage system, it is used to prevent aggregates,
debris and other unwanted objects from entering the drainage
system?
(a) storm trap
(b) catch basin
(c) FD
(d) trap
58. What is the maximum depth of septic tank?
(a) 1.20 m
(b) 1.10 m
(c) 1.50 m
(d) 1.80 m
59. What type of material is used for the base of a septic tank?
(a) mass concrete
(b) Earth base
(c) reinforced concrete
(d) lean concrete
60. What pipe should not be buried underground?
(a) none
(b) polyethylene pipe
(c) G.I. pipe
(d) BI pipe
61. What do you call a water-tight receptacle used to store
household waste?
(a) stp
(b) house drain
(c) septic vault
(d) pit
62. What is the best fixture for a public comfort room?
(a) flushometer
(b) faucet
(c) none
(d) gate valve
63. A tee having a slight curve in 90deg bend transition to
channel the flow from a branch pipe in the direction of the
main.
(a) X11.9
(b) X11.6
(c) X11.1
(d) X11.7
64. Types of permissible trap, except?
(a) low hub type
(b) 3/4 S traps
(c) stand trap
(d) high hub type
65. What is used in water pipelines to absorb the shock caused
by water hammering?
(a) shock regulator
(b) shock absorber system
(c) water regulator
(d) shock arrester
66. The minimum number of urinal fixture required for the male
population of both elementary and secondary school?
(a) 1 per 40
(b) 1 per 35
(c) 1 per 60
(d) 1 per 50
67. What is use for water treatment in a swimming pool?
(a) chloride
(b) sodium
(c) hydrochlor
(d) cyanide
68. In a location where there is no provision for drainage line,
what is the next best thing?
(a) use drain tiles connected to open field
(b) any of the above
(c) store waste in the tank and dispose in sanitary fill
(d) connect to the nearest creek
69. A pipe fitting to join two straight lengths of pipes?
(a) tee
(b) coupling
(c) elbow
(d) nipple
70. Minimum size of trap of shower drain?
(a) 1-1/2"
(b) 2"
(c) 4"
(d) 3"
71. What is the principle of governing the size of pipes in
designing plumbing systems?
(a) the bigger the pipe diameter, the lesser the pressure;
the smaller the pipe diameter, the greater the pressure is
(b) the longer the pipe length to the fixture, the lesser the
pressure;
the shorter the pipe length, the greater the pressure is
(c) the smaller the pipe diameter, the lesser the pressure;
the bigger the pipe diameter, the greater the pressure
(d) slopes is primary consideration and sizes will be considered
secondary
72. When there is low pressure from the water main, what will
you use to supply higher levels?
(a) jet pump
(b) pneumatic pump
(c) sump pump
(d) booster pump
73. What type of pipe is not recommended for water line?
(a) copper
(b) GI
(c) lead
(d) iron
74. The prescribe color coding of piping under refrigerating
division of all pipes and fittings?
(a) black
(b) yellow
(c) white
(d) gray
75. The quality of galvanized iron pipes are rated by?
(a) class
(b) gauge
(c) thickness
(d) schedule
76. Standard water pressure from NAWASA?
(a) 40 psi
(b) 30 psi
(c) 120 psi
(d) 60 psi
77. The minimum sized of a trap and waste branch for a
pedestal urinal?
(a) 2" dia
(b) 2-1/2" dia
(c) 3" dia
(d) 4" dia
78. The legality of Revised Plumbing Code of the Philippines
last 1999 was based on what Section or RA 1378?
(a) Sec. 2
(b) NOTA
(c) Sec. 3
(d) Sec. 4
79. Basic principles listed in RNPCP 1999 was based on what
section of RA 1378?
(a) Sec. 3
(b) Sec. 2
(c) Sec. 4
(d) Sec. 5
80. Is the use of Air Admittance Valve as an alternative of vent
pipes, a violation of Principle # 12 on our RNPCP 1999?
(a) yes
(b) no
(c) need approval of administrative authority
(d) maybe
81. When was the Board of Master Plumber Resolution # 04
series of 1999 that covered the Adoption and Promulgation of
RNPCP approved?
(a) Sept. 29, 1999
(b) Sept. 30, 1999
(c) Sept. 30, 1998
(d) Sept. 29, 1998
82. Which of the following types of work requires plumbing
permit?
(a) the repair of a pipe that froze or split
(b) the replacement of an electric water heater
(c) the replacement of faulty gate valve
(d) the replacement of a faucet stem
83. What is DAO # 34 series of 1990 all about?
(a) revised effluent regulation of 1990
(b) Phil. National Std. for Drinking Water 2007
(c) Phil. National Std. for Effluent Discharge 2007
(d) revised water usage/ classification water quality criteria
84. What is DAO # 35 series of 1990 all about?
(a) Phil. National Std. for Effluent Discharge 2007
(b) Phil. National Std. for Drinking Water 2007
(c) Revised Effluent Regulation of 1990
(d) Revised Water Usage/ Classification Water Quality Criteria
85. What is DOH Administrative Order # 2007-2012 all about?
(a) Phil. National Std. for Effluent Discharge 2007
(b) Revised Effluent Regulation of 1990
(c) Revised Water Usage/ Classification Water Quality Criteria
(d) Phil. National Std. for Drinking Water 2007
86. According to Accessibility Law, accessible toilet
compartments shall have the following a minimum area of
________?
(a) 1.6 m x 1.8 m
(b) 1.5 m x 1.8 m
(c) 1.7 m x 1.8 m
(d) 1.8 m x 1.8 m
87. According to Accessibility Law, a turning space of _____
sqm. with a minimum dimension of ______ mm for wheelchair
users shall be provided outside water closet cubicles.
(a) 2.25 & 1500
(b) 2.25 & 1800
(c) 2.30 & 1800
(d) 2.15 & 1500
88. According to Accessibility Law, the maximum height of
toilet seat for persons with disabilities is ______ ?
(a) 425 mm
(b) 500 mm
(c) 400 mm
(d) 450 mm
89. According to Accessibility Law, the maximum height of
lavatory for person w/ disabilities is ________ ?
(a) 600 mm
(b) 750 mm
(c) 700 mm
(d) 800 mm
90. According to Accessibility Law, urinals shall be of the wall
hung and should have an elongated lip; the maximum height of
the lip should be _______ from the toilet floor
(a) 480 mm
(b) 700 mm
(c) 400 mm
(d) 600 mm
91. According to Accessibility Law, urinals shall be of the wall
hung and should have an elongated lip; the minimum height of
the lip should be _______ from the toilet floor
(a) 700 mm
(b) 480 mm
(c) 400 mm
(d) 600 mm
92. In accordance with National Building Code, how much be
the plumbing fee for plumbing installation of a water closet in
excess of one plumbing unit?
(a) Php 8.00
(b) Php 9.00
(c) Php 2.00
(d) Php 7.00
93. In accordance with National Building Code, how much be
the plumbing fee for plumbing installation of a shower head in
excess of one plumbing unit?
(a) Php 7.00
(b) Php 2.00
(c) Php 9.00
(d) Php 8.00
94. In accordance with National Building Code, how much be
the plumbing fee for plumbing installation of a dental cuspidor?
(a) Php 9.00
(b) Php 10.00
(c) Php 8.00
(d) Php 4.00
95. According to Accessibility Law, a minimum of one
accessible to persons w/ disabilities water closet in every floor
for every ________ regular water closet.
(a) 15
(b) 25
(c) 20
(d) 10
96. According to Accessibility Law, the shower compartment
dimensions shall be?
(a) NOTA
(b) 1500 mm x 1200 mm
(c) 1200 mm x 1200 mm
(d) 1500 mm x 1500 mm
97. According to Accessibility Law, the height of bath tub rim
from finished floor line shall be?
(a) 300 mm
(b) 450 mm
(c) 500 mm
(d) 400 mm
98. According to Accessibility Law, the distance between
centers of urinal to the wall for person with disability shall be?
(a) 450 mm
(b) 460 mm
(c) 400 mm
(d) 300 mm
99. Accessiblity Law of the Philippines is _________ ?
(a) BP 200
(b) BP 344
(c) BP 433
(d) BP 220
100. The quantity of sewage flow from a single-family dwelling
per person is _______ gpd.
(a) 150
(b) 75
(c) 100
(d) 50