This is the Multiples Choice Questions Part 4 of TLE. In preparation for the LET Exam, practice, and familiarize every question we have, it might be included in the actual examination. Good luck.
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TLE Part 4
1. Which among the following best describes a toilet bowl?
a. A room or booth containing a toilet
b. The Box Type compartment holding water for flushing the toilet
c. An opening in the wall or ceiling near
d. The device that provides a supply of water and/ its disposal, e.g. sinks, tubs, toilet
Answer: b
2. Plumbing ventilation means to _____.
a. carry sewer gas out and reliever pressure of the drainage system
b. discourage corrosion in the drainage piping
c. maintain the trap seals
d. give pressure differentials in the public sewer
Answer: a
3. Rainwater from the roof down to the ground passes through what pipe?
a. Down spout
b. Conductor
c. Gutter
d. Vent
Answer: a
4. A pipe that conveys only liquid waste is called _____.
a. vent pipe
b. soil pipe
c. main pipe
d. waste pipe
Answer: d
5. What do you call those flexible waterproof ribbon for covering threaded pipes joints to prevent leakage?
a. Rubber bond
b. Masking tape
c. Teflon tape
d. tape
Answer: c
6. If the end of a PVC pipe is lifted with a male adopter, what fitting will be used to stop the flow of the water?
a. Elbow
b. Coupling
c. Cap
d. Plug
Answer: a
7. How many PVC pipes can be installed in a 7.50 meter distance?
a. 2 pcs
b. 2.5 pcs
c. 3 pcs
d. 3.5 pcs
Answer: b
8. If the end of the PVC pipe is lifted with female adopter, what fitting will be used to stop flow of the water?
a. Elbow
b. Coupling
c. Cap
d. Plug
Answer: d
9. A plumber wants to connect two length of pipes. Which fitting is necessary?
a. Coupling
b. Elbow
c. Tee
d. Pipe wrench
Answer: a
10. If there is leaking in the water supply of lavatory, sink and water closet, which valve are you going shut off?
a. Gate valve
b. Globe valve
c. Check valve
d. Angle valve
Answer: a
11. If you install a soil pipe, what is the standard pitch or slope?
a. 5%
b. 10%
c. 2%
d. 1%
Answer: d
12. If you put source of portable water, what is the minimum safe distance from the septic tank?
a. 15 meters
b. 10 meters
c. 5 meters
d. 20 meters
Answer: d
13. No cesspool septic tank or drain field shall be located within how many meter radius from the well?
a. 15 meters
b. 10 meters
c. 50 meters
d. 45 meters
Answer: c
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
Answer: b
15. Every trap for bath tubs, lavatories, sink, and other similar fixture shall be ______.
a. self – regulating
b. tight
c. fix
d. self cleaning
Answer: b
16. There should be no concrete sanitary sewers existing within how many meter radius from the well?
a. 15 meters
b. 10 meters
c. 50 meters
d. 45 meters
Answer: c
17. The standard length of a PVC pipe is ______.
a. 12 ft.
b. 2.0 m
c. 6.0 m
d. 10 ft.
Answer: b
18. If you want to estimate the number G.I. pipes needed from your house to the main supply, what is the standard length of a G.I that you are going to use?
a. 20.0 m
b. 6 ft.
c. 3.0 m
d. 20 ft.
Answer: d
19. If you want to estimate the number of PVC pipes needed from your house 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.
Answer: a
20. All plumbing fixtures must have P-trap, EXCEPT:
a. lavatory
b. water closet
c. sink
d. bath tub
Answer: d
