#21.
A pipe from the street water main to the
building served is?
A
MWSS
B
Water main distribution pipe
C
Distribution pipe
D
Service pipe
Answer: Service pipe
#22.
Actuated by stem screw, and hand wheel,
suited on installation that calls for throttling?
A
Foot valve
B
Gate valve
C
Globe valve
D
Angle valve
Answer: Globe valve
#23.
Minimum of number of water closet
required at office 20 persons?
A
1
B
2
C
3
D
4
Answer: 1
#24.
A vertical pipe usually used for the storage of
water, frequently under pressure?
A
Vent pipe
B
Stand pipe
C
Vertical pipe
D
Waste pipe
Answer: Stand pipe
#25.
A bowl or basin used for washing face and
hands?
A
Bathtub
B
Compartment sink
C
Lavatory
D
Mixing bowl
Answer: Lavatory
#26.
Fire prevention month?
A
July
B
April
C
May
D
March
Answer: March
#27.
Considers the building density in the locality
and flammability of the structures and its
contents?
A
Civil Code
B
Fire Protection
C
Fire Bureau
D
Fire Code
Answer: Fire Code
#28.
Always located near the stairs for use by
firemen in case of fire?
A
Fire tank
B
Fire hose
C
Standpipe
D
Hydro pneumatic pump
Answer: Standpipe
#29.
Refers to the piping installation where both
the mains and the distribution pipes are
constantly filled with water?
A
Standpipe
B
Dry pipe
C
Wet pipe
D
Water pipe
Answer: Wet pipe
#30.
Used as a terminal of the soil branch in each
floor?
A
Aeration
B
Deaerator
C
Sovent system
D
Ventilation
Answer: Sovent system
#31.
Installed at the bottom portion of the soil
stack where the house drain is connected to
receive the discharge from Aeration?
A
Aeration
B
Deaeration
C
Ventilation
D
Sovent system
Answer: Ventilation
#32.
Recommended minimum size of p-trap for
floor drain is?
A
6 inches
B
2 inches
C
3 inches
D
4 inches
Answer: 4 inches
#33.
The trap of the floor drain shall be placed
not more than _________ centimeters below
the finished floor line, to facilitate cleaning in
case of line trouble.
A
60
B
40
C
30
D
50
Answer: 30
#34.
Recommended grade or slope of a house
drain?
A
3%
B
½%
C
1%
D
2%
Answer: 2%
#35.
One fixture unit represents how many liters
of water?
A
50 liters
B
40 liters
C
30 liters
D
10 liters
Answer: 30 liters
#36.
No water closet shall discharge in to drain
less than ____inches diameter pipe
A
4 inches
B
2 inches
C
3 inches
D
2-1/2 inches
Answer: 3 inches
#37.
As per Plumbing Code on soil pipe, at least
_____of the vertical stacks in the plumbing
system must extended full size through the roof.
A
1
B
2
C
3
D
4
Answer: 1
#38.
Recommended size of waste pipe for urinal?
A
32 mm
B
38 mm
C
40 mm
D
50 mm
Answer: 50 mm
#39.
What is the recommended size of waste pipe for
bathtub?
A
32-38 mm
B
38-40 mm
C
40-50 mm
D
38-50 mm
Answer: 40-50 mm
#40.
What is the recommended size of waste water pipe for
drinking fountain?
A
36 mm
B
28 mm
C
32 mm
D
40 mm
Answer: 32 mm
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