Worksheets2020 Board Exam Sanitary Plumbing_part 1
Total questions: 50
Worksheet time: 17mins
Name
Class
Date
1.
1. In a Horizontal soil and waste pipe, clean-out should be provided in every interval of?
a)
10 mts
b)
12 mts
c)
15 mts
d)
18 mts
2.
2. Which purification can be done to remove silts,dirt's and other objectianable
a)
Siltation
b)
Filtration
c)
Sedimentation
d)
Pollution
3.
3. What are the devices found inside fire hose cabinet? Select Three (3) A.Fire hose Rack B.Fire Exinguisher C.Standard Pipe D.Ax
a)
B,C & D
b)
A, B, & D
c)
T-trap offset
A,C, & D
d)
A,B & C
4.
4. What is that height always considered in designing water supply system in a medium and high-rise buildings?
a)
Fixture Units
b)
Friction Loss
c)
Static Head
d)
Height of the highest fixture/s
5.
5. What do you call a faucet having an outside thread in its orifice allow the adoption of hose in order to water farther distances conveniently?
a)
Hose Bibb
b)
Brass
c)
Plain
d)
Stainless Steel Faucet
6.
6. A pipe which makes an angle of more than 45 degrees from the horizontal is considered____.
a)
Horizontal
b)
Vertical
c)
Cracked
d)
Offset
7.
7. PE plastic tubing is material used for water service connection. What does PE stand for?
a)
Polyethylene
b)
Plastic Extrusion
c)
Poly Enzyme
d)
Plastic Expander
8.
8. Building sewers shall be tested by completely filling the sewer line with water from the lowest to ____.
a)
The highest point
b)
at least ground level
c)
at least 5ft. Head
d)
at least 10ft. Head
9.
9. What is that distance between faucet outlet and the flood level rim of the basin into which it discharges?
a)
Air Chamber
b)
Air Valve
c)
Air Bubble
d)
Air Gap
10.
10. What is a natural or artificial place where water is collected and stored for use, especially water supplying in community, irrigating land or furnishing power?
a)
Reservoir
b)
Cistern
c)
Surface Water
d)
Aquifer
11.
11.What is the color coding of an Industrial piping system?
a)
Grey
b)
Brown
c)
Orange Brown
d)
Blue
12.
12. An installed flushometer valve is found in every____?
a)
Lavatory
b)
Bidet
c)
Bathtub
d)
Urinal
13.
13. What is the size of downspout if the rainfall intensity on 200 mm (8") if the deck is 102 m2? (Use: Table P-02),
a)
90mmØ
b)
150mmØ
c)
75mmØ
d)
100mmØ
14.
14. What consist of a wedge-shaped plug which is screwed down to seat between two brass rings surrounding the inlet pipe so that a double seal is obtained?
a)
Door Valves
b)
Entry Valves
c)
Gate Valves
d)
Fence Valves
15.
15. What are the valves that are installed in a pipe to prevent backflow of water?
a)
Ball Valve
b)
Gate Valve
c)
Check Valve
d)
Angle Valve
16.
16. What do you call a tank that is used so that the pneumatic tank or other pumps sucks the water from this tank and not the Public main, so that it will not deprive the neighbors of water due to pressure?
a)
Plunger Tank
b)
Air Tank
c)
Sipping Tank
d)
Suction Tank
17.
17. What is the equivalent diameter of a PPR Pipe 1/2ӯ in millimeter?
a)
25mm
b)
12mm
c)
20mm
d)
32mm
18.
18. What is a vertical soil pipe conveying fecal matter and liquid waste?
a)
Soil Leader
b)
Soil Branch
c)
Soil Stack
d)
Soil Conductor
19.
19. When installing cast iron, piping in 5ft lengths installed horizontally below the slab that shall be supported with hangers, what interval do you use?
a)
5 ft
b)
12 ft
c)
10 ft
d)
15 ft
20.
20. What is a sanitary fitting equivalent to an angle of 90deg?
a)
3/8 Bend
b)
1/4 Bend
c)
1/8 Bend
d)
1/16 Bend
21.
21. Where are clean-out required? Select three (3).
1. At every 90deg turn
2. At every end of a pipe installation
3. At every 15 meters of horizontal piping
4. At every 45deg turn
a)
4,1 & 2
b)
1, 2 & 3
c)
3, 4 & 1
d)
2, 3 & 4
22.
22. Which statement about drainage are correct?
1. Drains should always slope at a minimum of 1/8 per foot (.00991m) or 9.9m.
2. The vent stack extends through the roof.
3. Vents help prevent the drainage of water from traps.
4. The house drain cannot also be called the building sewer.
5. Clean-outs are always a necessary part of a drainage system.
a)
3, 4 & 5
b)
1, 2 & 5
c)
2, 3 & 5
d)
1, 3 & 4
23.
23. What is the minimum volume of water an interior wet standpipe should provide?
a)
50 gpm
b)
75 gpm
c)
100 gpm
d)
47.5 gpm
24.
24. What kind of valve is actuated by a stew and hand wheel suited for installation that calls for throttling? It affords greater resistance to flow than the gate valve because of changes in flow directions.
a)
Stop
b)
Float
c)
Angle
d)
Globe
25.
25. Expansion joints shall be acceptable except in piping for__.
a)
Cold Water
b)
Hot Water
c)
Vents
d)
Steam
26.
26. The principal pipe of a system of continuous piping of which branch connections can be made is called _____.
a)
Riser
b)
Horizontal Branch
c)
Lateral
d)
Main
27.
27. The average area coverage for one (1) sprinkler head is _____.
a)
9 SQ.M
b)
12 SQ.M
c)
7.5 SQ.M
d)
6.6 SQ.M
28.
28. Which of the following materials is NOT recommended for water supply system applications?
a)
Concrete Pipes
b)
PPR Pipes
c)
Brass Pipe
d)
G.I. Pipes
29.
29. In Figure 5, identify the part numbered 14?
a)
Stack Vent
b)
Vent stack
c)
Main Vent
d)
Dry Vent
30.
30. The part of the lowest horizontal piping of a plumbing system which
receives the discharge from soil, waste and other drainage wastes inside the building and conveys it to the house sewer is a _____.
a)
Vertical Drain
b)
House Drain
c)
Soil Pipe
d)
Storm Drain
31.
31. A term applied to those portions of a plumbing system, which have been installed and approved prior to contemplated additions, alterations or correction, is called _____.
a)
Previous Work
b)
Existing Installation
c)
Existing work
d)
As-Built Installation
32.
32. What is that principal vent pipe of a system to which vent connections can be made?
a)
Vent Thru Roof
b)
Vent Stack
c)
Main Vent
d)
Vent System
33.
33. Which of the following does NOT belong to the group?
a)
Float Valve
b)
Fire Hose Valve
c)
Siamese Connection
d)
Fire Hose Cabinet
34.
34. What is the minimum flow pressure in psi for a flush valve water closet?
a)
8
b)
15
c)
10
d)
12
35.
35. What is a valve which regulates water pressure from the water main?
a)
Pressure Suction Valve
b)
Pressure Separating Valve
c)
Pump Sunction Valve
d)
Pressure Sustaining Valve
36.
36. What is a contraption invented to dispose leftovers straight fron the kitchen sink?
a)
Left-Over Chopper
b)
Garbage Collector
c)
Waste Grinder
d)
Garbage Disposer
37.
37. Which of the following flow of water supply from any source other that its own?
a)
Drain Flow
b)
Surface Drain
c)
Back Flow
d)
Rain Flow
38.
38. What is a result of minus pressure in the drainage system?
a)
Siphonage
b)
Capillary Action
c)
Evaporation
d)
Back Pressure
39.
39. One important component of plumbing system that every building should have is a ____.
a)
Stack Vent
b)
P-Trap
c)
Vent Stack
d)
House Trap
40.
40. What is the recommended size of service pipe approved by MWSS for a 2 storey residential house?
a)
1" U (25mm Ø)
b)
3/4" U (19mmØ)
c)
1/2" Ø (12mm U)
d)
1 1/4"Ø (32mm U)
41.
41.What is the number of days abandonment of stoppage of work for a building/plumbing permit to expire?
a)
360
b)
240
c)
180
d)
120
42.
42. What is a vent connecting one or more individual vents with a vent stack or stack vent?
a)
Looped Vent
b)
Circuit Vent
c)
Common Vent
d)
Branch Vent
43.
43. Calculate the total fixture unit of an 18 storey dormitory building with 6 bathroom group on every floor with class-2 residential? (Use:Table 5-1).
a)
763
b)
864
c)
756
d)
765
44.
44. What is the system which water is distributed from the normal water pressure coming from public water main, for low rise and high rise buildings?
a)
Gravity System
b)
Vertical Feed system
c)
Positive System
d)
Upfeed System
45.
45. What is the F.U. of 10 hospital private rooms using class-2 bathroom group? ( Use: Table 5-1).
a)
50
b)
70
c)
40
d)
80
46.
46. Which of the following is a violation or in contrast with basic plumbing principles?
a)
The System shall be maintained in a sanitary and serviceable condition.
b)
Water Closet may be located in unlighted or unventilated room.
c)
All premises intended for human habitation shall be provided with ample and wholesome amount of water.
d)
The fixtures shall be designed to use minimum amount of water for flushing.
47.
47. Which in the list is NOT a standard commercial size of a G.I. pipe for water Supply.
a)
3/8"Ø
b)
1"Ø
c)
3/4"Ø
d)
1/2"Ø
48.
48. What is the size of a downspout if the rainfall intensity on 200mm (8") if the deck roof is 102m2? (Use Table P02).
a)
75mmØ
b)
100mmØ
c)
90mmØ
d)
150mmØ
49.
49. What commonly used material for soil, waste and vent installation of high compressive strength but low tensile strength?
a)
Cast Iron Pipe
b)
PVC Pipe
c)
Clay Pipes
d)
HDPE Pipes
50.
50. In Figure 3: What is the part of a trap numbered 3.
a)
Dip
b)
Liquid Seal
c)
Liquid Barrier
d)
Odor Barrier
100 %
