plumbing
plumbing code
問題一覧
1
Where buried, water service pipe shall be installed a minimum of _____ deep.
12 inches
2
The outlet of a laundry tray shall be a maximum horizontal distance of ____ from the standpipe trap.
30 inches
3
Where a fixture is installed with a concealed slip-joint connection, access shall be provided with an opening a minimum of _____ in its smallest dimension.
12 inches
4
Where located close to a wall, what is the minimum required air gap for a lavatory with an effective opening of 1/2 inch.
1 1/2 inches
5
Water service pipe installed underground and outside of a structure shall have a minimum working pressure rating of ____ psi at 73°F.
160
6
What is the maximum static pressure permitted for a water service?
80 psi
7
In determining the peak demand for the water service and water distribution service, a flow rate of ___ and a flow pressure of ___ shall be used for a bathtub at the point of outlet discharge.
4 gpm, 20 psi
8
Three-inch horizontal drainage piping shall be installed at a minimum uniform slope of ___ per foot.
1/8 inch
9
A maximum distance of ___ is permitted between a 1 1/2 inch fixture trap and the vent fitting.
6 feet
10
The total fall in a fixture drain due to pipe slope is limited to a maximum of ____.
one pipe diameter
11
Where the developed length of a sump vent is 110ft, what is the minimum required vent size for a sump with a sewage pump having a discharge capacity of 60 gpm?
2 inches
12
What is the maximum vertical distance between the fixture drain of a sink and a horizontal combination waste and vent pipe?
8 feet
13
Which one of the following fixtures is not permitted to be served by a combination waste and vent system?
Standpipe
14
The maximum permitted slope of a horizontal combination waste and vent pipe shall be ____. Unit vertical in 12 units horizontal.
one half
15
A 2 1/2 inch diameter pipe used as a combination waste and vent shall serve a maximum of ___ fixture units where connected to a horizontal branch.
6
16
In circuit venting, the maximum slope of the vent section of the horizontal branch drain shall be ___ units vertical in 12 units horizontal.
1
17
Stack-type air admittance valves shall conform to which of the following standards?
ASSE 1050
18
The maximum water consumption flow rate for a sink faucet shall be
2.2 gpm at 60 psi
19
Floor drain plumbing fixtures shall conform to which of the following standards?
ASME A 112.6.3
20
A 4 inch diameter pipe used as a combination waste and vent shall serve a maximum of ___ fixture units when connected to a building drain.
50
21
The building sump vent serving a sump pump having a discharge capacity of 40 gpm can be a maximum 160 feet in length, when a minimum ___ inch diameter vent pipe is used.
1 1/2
22
The maximum distance between a 1 1/4 inch fixture trap and the vent fitting is permitted to be ____ feet.
5
23
Outdoor enclosures designed for backlog prevention devices must comply with which of the following standards.
ASSE 1060
24
ABS pipes installed horizontally shall be supported at a maximum ___ feet intervals.
4
25
Cleanout plugs subject to vehicular traffic shall be approved for this application in accordance with which of the following standards?
ASME A112.36.2M
26
A 36,000 btu/h water heater installed in a building provided with outdoor combustion air through one permanent opening shall have the opening be a minimum ____ square inches in area.
12
27
PVC pipes installed horizontally shall be supported at a maximum ___ ft intervals
4
28
Drainage fittings must be designed to maintain a ___ percent slope.
2
29
Discharge from reverse osmosis drinking water treatment units must enter the drainage system through an air gap device that meets which of the following requirements?
NSF 58
30
Water hammer arrestor shall conform to which of the following standards?
ASSE 1010
31
The maximum developed length of a 2 inch vent pipe serving a 60 gym capacity sump pump shall not exceed ___ feet.
270
32
Hot water and cold water manifolds installed with parallel connected individual distribution lines having a developed length of 60 feet or less and where thr available pressure at the meter is not less than 40 psi, shall have the individual distribution line not be less than ___ inch in diameter.
3/8
33
Under conditions of peak demand, the required capacity at the point of outlet discharge for a sink fixture shall be designed to have a flow rate of ___ gpm and a flow pressure of ___ psi.
1.75, 8
34
The maximum developed length of a wet-vented fixture drain shall be limited to no more than ___ feet when the trap size is 2 inches.
8
35
When vertical ducts are used to provide outdoor combustion air to gas-fired appliances located in buildings through two permanent openings, each opening shall have a minimum free area dimension of no less than ___ of the total input rating of all appliances located within the space.
1 Sq inch per 4,000 btu/h
36
A means to drain the sprinkler system shall be provided _____
On the system side of the water distribution shut off valve.
37
The required separation between water service and sewage pipes is 5 ft where the bottom of the water service pipe is not less than ___ inches above the highest point of the building sewer pipe.
12
38
The drain pipe for a 6000 gallon storage tank shall be ____ inches.
3
39
Where the flood level rim of a plumbing fixture is below the elevation of the manhole cover of the next up stream manhole in the public sewer, the fixture shall be protected by a ____ installed in the building drain, branch of the building drain, or horizontal branch serving such fixtures.
backwater valve
40
The location of a subsurface irrigation system storage tank shall be ___ away from a public water main.
10 ft
41
Where public water supply is not available an individual water supply shall be constructed in accordance to what standard.
NGWA-01
42
The minimum trap size for a fixture that uses 20 gpm shall be _____.
3 in
43
Grinder pumps or grinder electors that receive the discharge of water closets shall have a discharge opening of not less than ___.
1 1/4 in
44
Where potable water is used as makeup water for a storage tank the potable water must be protected with a ___ in air gap above the overflow.
4
45
Hazardous piping systems shall be identified repeatedly at intervals not exceeding ___ ft and be observable within the room or space where the piping is located where the piping passes through a wall, floor, or roof.
25
46
The finished floor of a shower must uniformly slope towards the drain no less than ___ unit vertical in 12 units horizontal and no more than ___ unit vertical in 12 units horizontal.
1/4, 1/2
47
In concealed spaces that contain fuel-fired appliances fire sprinklers are required to be installed above the equipment.
true
48
Where a laundry tray waste line connects into a standpipe for an automatic clothes washer drain, the standpipe shall extend not less than ____ inches above the standpipe trap weir and shall extend above the flood level rim of the laundry tray.
30
chimney sweep standards
chimney sweep standards
Earl Baer · 30問 · 1年前chimney sweep standards
chimney sweep standards
30問 • 1年前chimney sweep
chimney sweep
Earl Baer · 29問 · 1年前chimney sweep
chimney sweep
29問 • 1年前plumbing #2
plumbing #2
Earl Baer · 24問 · 1年前plumbing #2
plumbing #2
24問 • 1年前mechanical
mechanical
Earl Baer · 11問 · 1年前mechanical
mechanical
11問 • 1年前electrical
electrical
Earl Baer · 13問 · 1年前electrical
electrical
13問 • 1年前問題一覧
1
Where buried, water service pipe shall be installed a minimum of _____ deep.
12 inches
2
The outlet of a laundry tray shall be a maximum horizontal distance of ____ from the standpipe trap.
30 inches
3
Where a fixture is installed with a concealed slip-joint connection, access shall be provided with an opening a minimum of _____ in its smallest dimension.
12 inches
4
Where located close to a wall, what is the minimum required air gap for a lavatory with an effective opening of 1/2 inch.
1 1/2 inches
5
Water service pipe installed underground and outside of a structure shall have a minimum working pressure rating of ____ psi at 73°F.
160
6
What is the maximum static pressure permitted for a water service?
80 psi
7
In determining the peak demand for the water service and water distribution service, a flow rate of ___ and a flow pressure of ___ shall be used for a bathtub at the point of outlet discharge.
4 gpm, 20 psi
8
Three-inch horizontal drainage piping shall be installed at a minimum uniform slope of ___ per foot.
1/8 inch
9
A maximum distance of ___ is permitted between a 1 1/2 inch fixture trap and the vent fitting.
6 feet
10
The total fall in a fixture drain due to pipe slope is limited to a maximum of ____.
one pipe diameter
11
Where the developed length of a sump vent is 110ft, what is the minimum required vent size for a sump with a sewage pump having a discharge capacity of 60 gpm?
2 inches
12
What is the maximum vertical distance between the fixture drain of a sink and a horizontal combination waste and vent pipe?
8 feet
13
Which one of the following fixtures is not permitted to be served by a combination waste and vent system?
Standpipe
14
The maximum permitted slope of a horizontal combination waste and vent pipe shall be ____. Unit vertical in 12 units horizontal.
one half
15
A 2 1/2 inch diameter pipe used as a combination waste and vent shall serve a maximum of ___ fixture units where connected to a horizontal branch.
6
16
In circuit venting, the maximum slope of the vent section of the horizontal branch drain shall be ___ units vertical in 12 units horizontal.
1
17
Stack-type air admittance valves shall conform to which of the following standards?
ASSE 1050
18
The maximum water consumption flow rate for a sink faucet shall be
2.2 gpm at 60 psi
19
Floor drain plumbing fixtures shall conform to which of the following standards?
ASME A 112.6.3
20
A 4 inch diameter pipe used as a combination waste and vent shall serve a maximum of ___ fixture units when connected to a building drain.
50
21
The building sump vent serving a sump pump having a discharge capacity of 40 gpm can be a maximum 160 feet in length, when a minimum ___ inch diameter vent pipe is used.
1 1/2
22
The maximum distance between a 1 1/4 inch fixture trap and the vent fitting is permitted to be ____ feet.
5
23
Outdoor enclosures designed for backlog prevention devices must comply with which of the following standards.
ASSE 1060
24
ABS pipes installed horizontally shall be supported at a maximum ___ feet intervals.
4
25
Cleanout plugs subject to vehicular traffic shall be approved for this application in accordance with which of the following standards?
ASME A112.36.2M
26
A 36,000 btu/h water heater installed in a building provided with outdoor combustion air through one permanent opening shall have the opening be a minimum ____ square inches in area.
12
27
PVC pipes installed horizontally shall be supported at a maximum ___ ft intervals
4
28
Drainage fittings must be designed to maintain a ___ percent slope.
2
29
Discharge from reverse osmosis drinking water treatment units must enter the drainage system through an air gap device that meets which of the following requirements?
NSF 58
30
Water hammer arrestor shall conform to which of the following standards?
ASSE 1010
31
The maximum developed length of a 2 inch vent pipe serving a 60 gym capacity sump pump shall not exceed ___ feet.
270
32
Hot water and cold water manifolds installed with parallel connected individual distribution lines having a developed length of 60 feet or less and where thr available pressure at the meter is not less than 40 psi, shall have the individual distribution line not be less than ___ inch in diameter.
3/8
33
Under conditions of peak demand, the required capacity at the point of outlet discharge for a sink fixture shall be designed to have a flow rate of ___ gpm and a flow pressure of ___ psi.
1.75, 8
34
The maximum developed length of a wet-vented fixture drain shall be limited to no more than ___ feet when the trap size is 2 inches.
8
35
When vertical ducts are used to provide outdoor combustion air to gas-fired appliances located in buildings through two permanent openings, each opening shall have a minimum free area dimension of no less than ___ of the total input rating of all appliances located within the space.
1 Sq inch per 4,000 btu/h
36
A means to drain the sprinkler system shall be provided _____
On the system side of the water distribution shut off valve.
37
The required separation between water service and sewage pipes is 5 ft where the bottom of the water service pipe is not less than ___ inches above the highest point of the building sewer pipe.
12
38
The drain pipe for a 6000 gallon storage tank shall be ____ inches.
3
39
Where the flood level rim of a plumbing fixture is below the elevation of the manhole cover of the next up stream manhole in the public sewer, the fixture shall be protected by a ____ installed in the building drain, branch of the building drain, or horizontal branch serving such fixtures.
backwater valve
40
The location of a subsurface irrigation system storage tank shall be ___ away from a public water main.
10 ft
41
Where public water supply is not available an individual water supply shall be constructed in accordance to what standard.
NGWA-01
42
The minimum trap size for a fixture that uses 20 gpm shall be _____.
3 in
43
Grinder pumps or grinder electors that receive the discharge of water closets shall have a discharge opening of not less than ___.
1 1/4 in
44
Where potable water is used as makeup water for a storage tank the potable water must be protected with a ___ in air gap above the overflow.
4
45
Hazardous piping systems shall be identified repeatedly at intervals not exceeding ___ ft and be observable within the room or space where the piping is located where the piping passes through a wall, floor, or roof.
25
46
The finished floor of a shower must uniformly slope towards the drain no less than ___ unit vertical in 12 units horizontal and no more than ___ unit vertical in 12 units horizontal.
1/4, 1/2
47
In concealed spaces that contain fuel-fired appliances fire sprinklers are required to be installed above the equipment.
true
48
Where a laundry tray waste line connects into a standpipe for an automatic clothes washer drain, the standpipe shall extend not less than ____ inches above the standpipe trap weir and shall extend above the flood level rim of the laundry tray.
30