Latest TLE Reviewer 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

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

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?

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

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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