#61.
The minimum pressure that should be
maintained for fixtures containing flush tank
supplies shall be _____
A
0.434 psi
B
15 psi
C
8 psi
D
4.34 psi
Answer: 8 psi
#62.
The static water pressure at the water meter
is 80 psi, at the outlet 100 ft above the meter,
the static water pressure is
approximately ____________
A
120 psi
B
60 psi
C
80 psi
D
35 psi
Answer: 35 psi
#63.
It is a receptacle attached to the plumbing
system other than a trap in which waste or
waste maybe collected or retained for a
ultimate discharge into plumbing system
A
Container
B
Fixture
C
Cesspool
D
Tank
Answer: Cesspool
#64.
The acceptable fitting to be
used when connecting horizontal drain line with
another drain line is/are _________.
A
Coupling
B
Cross tee
C
Combination Y and 1/8 bend
D
Sanitary tee
Answer: Combination Y and 1/8 bend
#65.
A water system containing a water heater
will require a _______________
A
Check valve
B
Pressure relief valve
C
Mixing valve
D
Heat water return line
Answer: Mixing valve
#66.
What is the minimum size of water supply pipe for
flush valve?
A
2 inches
B
½ inch
C
¾ inch
D
1 inch
Answer: 1 inch
#67.
When was the National Plumbing Code of the Philippines approved?
A
January 18, 1956
B
June 18, 1955
C
June 18, 1954
D
January 28, 1959
Answer: January 28, 1959
#68.
Its the part of the plumbing system extending
from a point 4 or 5 feet from the inner face of
the foundation wall of the building to the
junction with another sewer.
A
Sewer pipe
B
Sanitary sewer
C
House sewer
D
Storm sewer
Answer: House sewer
#69.
Fixture connections between drainage pipes
and water closets shall be made with
A
Flanges
B
Hot poured compound
C
Unions
D
Expansion joints
Answer: Flanges
#70.
Total number of water closets on a 3 inch
stack.
A
2
B
3
C
4
D
6
Answer: 6
#71.
Total number of water closets on a 3 inch
stack.
A
2
B
3
C
4
D
6
Answer: 6
#72.
The maximum distance between trap and vent.
A
6 ft
B
5 ft
C
7 ft
D
9 ft
Answer: 6 ft
#73.
The minimum size of clean-out allowed to
serve a 4” drain line is
A
4 inches
B
3 inches
C
2 inches
D
3 ½ inches
Answer: 3 ½ inches
#74.
The distance between a water heater and
union on the water lines shall not be more than _____________
A
24 inches
B
6 inches
C
18 inches
D
12 inches
Answer: 12 inches
#75.
The minimum quantity of water for flushing
urinals.
A
5 gallons
B
7 gallons
C
1 gallon
D
4 gallons
Answer: 1 gallon
#76.
Urinal shall not be closer to _____meter
center to center distance
A
0.40
B
0.50
C
0.75
D
0.60
Answer: 0.60
#77.
What should be the color of a potable water supply pipe?
A
silver
B
orange
C
Blue
D
White
Answer: Blue
#78.
The vertical distance between the dip and the
rim.
A
Water seal
B
Seal
C
Deep seal
D
Seal trap
Answer: Seal trap
#79.
Pipe flange that is not drilled for bolt holes
A
Blind drill
B
Point drill
C
Blank drill
D
Split drill
Answer: Blank drill
#80.
Another term for interceptor
A
Calorifier
B
Basin
C
Clarifier
D
Calorimeter
Answer: Clarifier
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