#40.
In which type of pipes does portable water travel
Choices:
A
PVC pipes (orange)
B
ABS pipes
C
Cast iron pipes
D
Galvanized pipes
Answer: Galvanized pipes
Question
#41.
If your water system has leak, where can you shut off the flow of water?
Choices:
A
Check valve
B
Angle valve
C
Gate valve
D
Globe valve
Answer: Gate valve
Question
#42.
A plumber wants to install a liquid seal to prevent sewer gasses from entering the building. What device is
needed?
Choices:
A
Union
B
Pump
C
Trap
D
Backflow preventer
Answer: Backflow preventer
Question
#43.
A plumber wants to shut off the flow of water just 90 degrees turn. Which valve is appropriate?
Choices:
A
Check valve
B
Globe valve
C
Angle valve
D
Gate valve
Answer: Globe valve
Question
#44.
What do you call those flexible waterproof ribbon for covering threaded pipes joints to prevent leakage?
Choices:
A
Masking tape
B
Rubber bond
C
Teflon tape
D
Tape
Answer: Teflon tape
Question
#45.
If the end of a PVC pipe is fitted with a male adopter, what fitting will be used to stop the flow of the water?
Choices:
A
Coupling
B
Cap
C
Elbow
D
Plug
Answer: Cap
Question
#46.
How many PVC pipes can be installed in a 7.50 meter distance?
Choices:
A
3 pcs.
B
2 pcs.
C
2.5 pcs
D
3.5 pcs.
Answer: 2.5 pcs
Question
#47.
If the end of the PVC pipe is fitted with a female adopter, what fitting will be used to stop the flow of the water?
Choices:
A
Cap
B
Plug
C
Coupling
D
Elbow
Answer: Plug
Question
#48.
A plumber wants to connect two length of pipes. Which fitting is necessary?
Choices:
A
Elbow
B
Tee
C
Coupling
D
Pipe wrench
Answer: Coupling
Question
#49.
If there is leaking in the water supply of lavatory, sink, and water closet, which valve are you going to shut off?
Choices:
A
Globe valve
B
Angle valve
C
Check valve
D
Gate valve
Answer: Angle valve
Question
#50.
If you install a soil pipe, what is the standard pitch or slope?
Choices:
A
1%
B
5%
C
10%
D
2%
Answer: 2%
Question
#51.
If you put source of potable water, what is the minimum safe distance from the septic tank?
Choices:
A
10 meters
B
15 meters
C
5 meters
D
20 meters
Answer: 15 meters
Question
#52.
No cesspool, septic tank or drain fields shall be located within how many meter radius from the well?
Choices:
A
45 meters
B
50 meters
C
10 meters
D
15 meters
Answer: 45 meters
Question
#53.
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?
Choices:
A
200 meters
B
50 meters
C
100 meters
D
150 meters
Answer: 100 meters
Question
#54.
Every trap for bath tubs, lavatories, sink, and other similar fixture shall be _________.
Choices:
A
self-cleaning
B
fix
C
tight
D
self-regulating
Answer: self-cleaning
Question
#55.
There should be no concrete sanitary sewers existing within how many meter radius from the well?
Choices:
A
45 meters
B
50 meters
C
10 meters
D
15 meters
Answer: 15 meters
Question
#56.
The standard length of a PVC pipe is _________
Choices:
A
6.0 m
B
10 ft.
C
2.0 m
D
12 ft.
Answer: 10 ft.
Question
#57.
If you want to estimate the number of G.I. pipes needed from your house to the main supply, what is the standard
length of a G.I. pipe that you are going to use?
Choices:
A
20 ft.
B
20.0 m
C
6 ft.
D
3.0 m
Answer: 6 ft.
Question
#58.
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?
Choices:
A
3.0 m
B
6 ft.
C
20.0 m
D
20 ft.
Answer: 3.0 m
Question
#59.
All plumbing fixtures must have P-trap, EXCEPT: