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TLE Reviewer Part 9
1. In which of pipes does portable water travel?
A. ABS pipes
B. Galvanized Pipes
C. Cast iron pipes
D. PVC pipes (orange)
ANS: B
2. If your water system has leak, where can you shut off the flow of water?
A. Gate valve
B. Galvanized
C. Check valve
D. Angle valve
ANS: A
3. A plumber wants to install a liquid seal to prevent sewer gasses from entering the
building. What device is needed?
A. Union
B. Trap
C. Backflow preventer
D. Pump
ANS: C
4. A plumber wants to shut off the flow of water just 90 degrees turn. Which valve is
appropriate?
A. Gate valve
B. Globe valve
C. check valve
D. angle valve
ANS: A
5. What do you call those waterproof ribbon for covering threaded pipes joints to
prevent leakage?
A. rubber bond
B. masking tape
C. Teflon tape
D. tape
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ANS: C
6. In the end of a PVC pipe is fitted with a male adopter, what fitting will be used to stop
the flow of the water?
A. Elbow
B. coupling
C. cap
D. Plug
ANS: C
7. How many PVC pipes can installed in a 7.50 meter distance?
A. 2 pcs
B. 2.5 pcs
C. 3 pcs
D. 3.5 pcs
ANS: B
8. If the end of a PVC pipe is fitted with a female adopter, what fitting will be used to
stop the flow of water?
A. elbow
B. coupling
C. cap
D. plug
ANS: D
9. A plumber wants to connect two length of pipes. Which fitting is necessary?
A. coupling
B. elbow
C. tee
D. pipe wrench
ANS: A
10. If there is leaking in the water supply of lavatory, sink and water closet, valve are
you going to shut off?
A. Gate valve
B. Globe valve
C. Check valve
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D. Angle valve
ANS: D
11. If you install a soil pipe, what is the standard pitch or slope?
A. 5%
B. 10%
C. 2%
D. 15
ANS: C
12. If you source of potable water, what is the minimum safe distance from the septic
tank?
A. 15 meters
B. 10 meters
C. 5 meters
D. 20 meters
ANS: A
13. No cesspool, septic tank or drain fields shall be located within how many meter
radius from the well?
A. 15 meters
B. 10 meters
C. 50 meter
D. 45 meters
ANS: D
14. If you plan to drill for a well that can supply water for public use, what is the
minimum meter radius from a well to the residences?
A. 150 meters
B. 100 meters
C. 50 meters
D. 200 meters
ANS: B
15. There should be no concrete sanitary sewer existing within how many meter radius
from the well?
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A. 15 meter
B. 10 meters
C. 50 meters
D. 45 meters
ANS: D
16. There should be no concrete sanitary sewers existing within how many meters
radius from the well?
A. 15 meters
B. 10 meters
C. 50 meters
D. 45 meter
ANS: A
17. The standard length of a PVC pipe is __________ .
A. 12 ft.
B. 2.0 m
C. 50 meters
D. 45 meters
ANS: D
18. If you want to estimate the number of G.I pipes needed from your house to the main
supply, what is the length of a G.I pipe that you are going to use?
A. 20.0 m
B. 6 ft.
C. 3.0 m
D. 20 ft
ANS: B
19. If you want to estimate the number of PVC pipes needed from your houses to the
main supply, what is the standard length of a PVC. Pipe that you are going to use?
A. 20.0 m
B. 6 ft.
C. 3.0 m
D. 20 ft
ANS: C
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20. All plumbing fixtures must have P-trap EXCEPT ____________ .
A. lavatory
B. water closet
C. sink
D. bath tub
ANS: B
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