Plumb. Code -3
問題一覧
1
the minimum inlet and outlet size for sand interceptor
76 mm
2
Minimum distance of a 32 mm trap arm diameter to a vent
64 mm
3
The side walls of a Septic Tank shall be at least ____ above the liquid depth.
9"
4
If a septic tank can have an effective capacity of 4000 L, how much does the secondary compartment hold?
1,333 L
5
A 203 mm diameter and larger sewer may have a slope of _____.
0.5%
6
Vertical vent pipes installed in a roof used for other purposes shall extend a minimum of _____ above such roof.
2.1 m
7
Wet venting is limited to _____ fixtures
4
8
What is the sewage that turns dark and smell unpleasantly due to anaerobic decomposition?
septic
9
When the first compartment exceeds 3.7 m in length, an additional ____ shall be provided.
manhole
10
Minimum spacing between trenches or leaching beds
1.20 m
11
What is the gauge pressure to be maintained for air tests as substitute for water test in water pipings?
344.5 kpa
12
In getting the roof area for the computation of rainwater piping size, for two walls opposite of differing heights, add ____ of wall area above top of lower wall to the roof area.
50%
13
_____ are recommended for oil handling piping works.
Neoprene gaskets
14
All condensers and sumps shall be properly trapped at the outlet with a deep seal trap extending to within ____ of the bottom of the tank.
6"
15
Elastomeric gasketed and rubber-ring joints shall comply with _____ installation standard
IAPMO
16
What is the maximum length allowed for a vent stack serving 48 DFU?
55
17
Normally in Manila, the rainfall intensity used is _____.
102 mm
18
The bottom of the water pipe, at all points shall be at least _____ above the top of the sewer or drain line.
0.3 m
19
What will be the size of 0.5% sloped circular bottom gutter serving a roof area of 180 sqm, and the rainfall intensity around the area is 76 mm/hr?
178 mm
20
What can be drained through an airbreak?
air washer
21
Which among the choices is a prohibited trap?
Crown trap
22
Determine the size of horizontal rainwater piping with a slope of 2% for a 350 sqm roof in an area where the the rainfall is 102 mm/hr.
127 mm
23
The principal artery of the venting system to which vent branches are connected.
Main Vent
24
What is the estimated sewage flow rate of bowling alleys with snack bar only?
238.9 LpD per lane
25
Maximum number of slip joint fitting that may be used on the outlet side of a trap
1
26
A group vent pipe that connects to the vent stack
circuit vent
27
A water that stands in or passes through the ground
Ground water
28
What is an underground drain pipe that receives only sub-surface or seepage water and convey it to a sump for disposal by gravity flow or by lift pump?
subsoil drain
29
Rainwater piping located within a medium height building basement area shall be of Galvanized Iron, _____.
Schedule 30
30
What is the storage factor for self-service auto washers?
1.5
31
Water closets that are made to accommodate overweight and obese people
Bariatric Water Closet
32
What downspout size would you specify for a 800 sqm roof with a rainfall intensity around the area of 152.4 mm/hr?
152 mm
33
The maximum trap loading of a pipe size 76 mm
6
34
Septic tanks should be cleaned when scum or sludge occupies ____ of the tank volume.
1/3
35
What is required when a soil or waste stack extends 10 or more stories?
Parallel vent stack
36
Prohibited vent pipe material below ground
Galvanized wrought iron
37
Maximum length of a tailpiece
0.6 m
38
Every abandoned building sewer shall be plugged or capped within _____ of the property line.
1.5 m
39
What is the minimum condensate pipe diameter of a cooling equipment with capacity through 125 ToR?
38 mm
40
Horizontal distance of the trap arm with a diameter of 38 mm
1.07 m
41
What is the horizontal distance required of a vent pipe from any openable window, door opening, air intake, or vent shaft?
3 m
42
The size of a vent pipe is determined by _____.
FU and length
43
For accessible toilets, signs on walls and doors should be located at a maximum height of _____.
1.60 m
44
In a granule test of a water closet, the initial flush of three different flushes must result in no more than _____ on average remaining in the bowl.
125
45
Minimum dimension of a sand interceptor's inlet opening
0.2 sqm
46
The minimum depth of the sand interceptor under the invert of the outlet pipe is _____.
610 mm
47
What is the minimum distance from disposal field to another disposal field?
1.2 m
48
Minimum water seal of a grease trap
51 mm
49
ointing method for soft copper water tubing
Flared Joint
50
Connects directly with an individual trap underneath or behind the fixture
Backvent Pipe
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1
the minimum inlet and outlet size for sand interceptor
76 mm
2
Minimum distance of a 32 mm trap arm diameter to a vent
64 mm
3
The side walls of a Septic Tank shall be at least ____ above the liquid depth.
9"
4
If a septic tank can have an effective capacity of 4000 L, how much does the secondary compartment hold?
1,333 L
5
A 203 mm diameter and larger sewer may have a slope of _____.
0.5%
6
Vertical vent pipes installed in a roof used for other purposes shall extend a minimum of _____ above such roof.
2.1 m
7
Wet venting is limited to _____ fixtures
4
8
What is the sewage that turns dark and smell unpleasantly due to anaerobic decomposition?
septic
9
When the first compartment exceeds 3.7 m in length, an additional ____ shall be provided.
manhole
10
Minimum spacing between trenches or leaching beds
1.20 m
11
What is the gauge pressure to be maintained for air tests as substitute for water test in water pipings?
344.5 kpa
12
In getting the roof area for the computation of rainwater piping size, for two walls opposite of differing heights, add ____ of wall area above top of lower wall to the roof area.
50%
13
_____ are recommended for oil handling piping works.
Neoprene gaskets
14
All condensers and sumps shall be properly trapped at the outlet with a deep seal trap extending to within ____ of the bottom of the tank.
6"
15
Elastomeric gasketed and rubber-ring joints shall comply with _____ installation standard
IAPMO
16
What is the maximum length allowed for a vent stack serving 48 DFU?
55
17
Normally in Manila, the rainfall intensity used is _____.
102 mm
18
The bottom of the water pipe, at all points shall be at least _____ above the top of the sewer or drain line.
0.3 m
19
What will be the size of 0.5% sloped circular bottom gutter serving a roof area of 180 sqm, and the rainfall intensity around the area is 76 mm/hr?
178 mm
20
What can be drained through an airbreak?
air washer
21
Which among the choices is a prohibited trap?
Crown trap
22
Determine the size of horizontal rainwater piping with a slope of 2% for a 350 sqm roof in an area where the the rainfall is 102 mm/hr.
127 mm
23
The principal artery of the venting system to which vent branches are connected.
Main Vent
24
What is the estimated sewage flow rate of bowling alleys with snack bar only?
238.9 LpD per lane
25
Maximum number of slip joint fitting that may be used on the outlet side of a trap
1
26
A group vent pipe that connects to the vent stack
circuit vent
27
A water that stands in or passes through the ground
Ground water
28
What is an underground drain pipe that receives only sub-surface or seepage water and convey it to a sump for disposal by gravity flow or by lift pump?
subsoil drain
29
Rainwater piping located within a medium height building basement area shall be of Galvanized Iron, _____.
Schedule 30
30
What is the storage factor for self-service auto washers?
1.5
31
Water closets that are made to accommodate overweight and obese people
Bariatric Water Closet
32
What downspout size would you specify for a 800 sqm roof with a rainfall intensity around the area of 152.4 mm/hr?
152 mm
33
The maximum trap loading of a pipe size 76 mm
6
34
Septic tanks should be cleaned when scum or sludge occupies ____ of the tank volume.
1/3
35
What is required when a soil or waste stack extends 10 or more stories?
Parallel vent stack
36
Prohibited vent pipe material below ground
Galvanized wrought iron
37
Maximum length of a tailpiece
0.6 m
38
Every abandoned building sewer shall be plugged or capped within _____ of the property line.
1.5 m
39
What is the minimum condensate pipe diameter of a cooling equipment with capacity through 125 ToR?
38 mm
40
Horizontal distance of the trap arm with a diameter of 38 mm
1.07 m
41
What is the horizontal distance required of a vent pipe from any openable window, door opening, air intake, or vent shaft?
3 m
42
The size of a vent pipe is determined by _____.
FU and length
43
For accessible toilets, signs on walls and doors should be located at a maximum height of _____.
1.60 m
44
In a granule test of a water closet, the initial flush of three different flushes must result in no more than _____ on average remaining in the bowl.
125
45
Minimum dimension of a sand interceptor's inlet opening
0.2 sqm
46
The minimum depth of the sand interceptor under the invert of the outlet pipe is _____.
610 mm
47
What is the minimum distance from disposal field to another disposal field?
1.2 m
48
Minimum water seal of a grease trap
51 mm
49
ointing method for soft copper water tubing
Flared Joint
50
Connects directly with an individual trap underneath or behind the fixture
Backvent Pipe