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Worksheets2018 IPC CH 7B Quiz
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
01. Where a floor drain receives only clear-water waste from coolers and freezers, the floor drain is assigned a value of __________ drainage fixture unit(s).
a)
a. 1/2
b)
b. 0
c)
c. 1
d)
d. 2
e)
Pluto
2.
02. A 4-inch diameter building drain installed with a slope of 1/4 inch per foot has a capacity to receive the discharge of no more than __________drainage fixture units (dfus).
a)
a. 180
b)
b. 216
c)
c. 250
d)
d. 160
3.
03. For a 2-inch horizontal branch drain less than 30 feet long, a __________ connected upstream of the drain is permitted to serve as a cleanout for the drain.
a)
a. 1-1/4-inch slip joint P-trap
b)
b. 11/2-inch bathtub overflow outlet
c)
c. 11/2-inch slip joint P-trap
d)
d. 2-inch shower waste outlet
4.
04. The drainage fixture unit load from a clinical sink with a 3-inch fixture outlet is
a)
a. 1
b)
b. 2
c)
c. 3
d)
d. 5
5.
05. A sump pump with a discharge capacity of 10 GPM that discharges to the drainage system through a 2-inch indirect waste receptor has a computed drainage fixture unit value of __________.
a)
a. 3
b)
b. 10
c)
c. 20
d)
d. 42
6.
06. A private bathroom with a 1.6 gpf water closet, lavatory, shower, bidet and floor drain has a total drainage fixture unit value of __________.
a)
a. 5
b)
b. 7
c)
c. 9
d)
d. 10
7.
07. The minimum size of any building drain serving a water closet is __________ inches.
a)
a. 3
b)
b. 4
c)
c. 2
d)
d. 21/2
8.
08. A vertical distance of __________ feet or more between the connections of horizontal branches to a drainage stack is a branch interval.
a)
a. 7
b)
b. 8
c)
c. 9
d)
d. 10
9.
09. In a building with a basement subdrain sump, __________ is prohibited from discharging to the sump.
a)
a. subsoil drainage
b)
b. drainage from soil pipes
c)
c. waste from laundry fixtures
d)
d. drainage above the gravity sewer
10.
10. A __________ is not required for a sewage sump and ejector.
a)
a. pump alarm
b)
b. vent
c)
c. check valve
d)
d. full open valve
11.
11. The ejector pump cut-on control shall be set to prevent the effluent in the sump from rising to within __________ inches of the invert of the gravity drain inlet.
a)
a. 1-1/2"
b)
b. 2
c)
c. 3
d)
d. 4
12.
12. The minimum dimensions of a sump pit are __________ inches in diameter and __________ inches deep.
a)
a. 16
b)
b. 18, 20
c)
c. 18, 24
d)
d. 20, 24
13.
13. The discharge pipe of a sewage ejector connecting to horizontal drainage piping shall be connected through a __________.
a)
a. wye fitting into the side of the drainage piping
b)
b. sanitary tee into the side of the drainage piping
c)
c. sanitary tee into the top of the drainage piping
d)
d. wye fitting into the top of the drainage piping
14.
14. Sewage grinder pumps that receive the discharge of water closets shall have a minimum discharge opening of __________ inch(es).
a)
a. 3/4"
b)
b. 11/2
c)
c. 11/4
d)
d. 2
15.
15. What is the minimum required capacity of a 2-inch sewage pump?
a)
a. 15 gpm
b)
b. 21 gpm
c)
c. 30 gpm
d)
d. 46 gpm
16.
16. Unless otherwise approved, cleanout plugs for cast iron piping shall be _________.
a)
a. cast iron
b)
b. plastic
c)
c. copper alloy
d)
d. plastic or copper alloy
17.
17. The sump pump discharge piping requires a __________.
a)
a. backwater valve and shut off valve
b)
b. ball valve and relief valve
c)
c. check valve and full open valve
d)
d. air admittance valve and globe valve
18.
18. What is the minimum required slope of a 2-inch horizontal drain when part of an approved computerized drainage system design?
a)
a. 1/16 inch per foot
b)
b. 1/8 inch per foot
c)
c. 1/4 inch per foot
d)
d. 1/2 inch per foot
19.
19. The cover on a sump pit shall be installed __________.
a)
a. not more than 2 inches above floor level
b)
b. not more than 2 inches below floor level
c)
c. level with grade or finished floor
d)
d. above grade or finish floor level
20.
20. Fixtures above the elevation of the next upstream manhole cover in a public sewer are permitted to discharge through a backwater valve when the backwater valve is installed ___________.
a)
a. in an existing building
b)
b. below the elevation of the next upstream manhole cover
c)
c. outside the building
d)
d. at the lowest part of the building drain
21.
21. When a pipe-bursting method is used for replacing an existing gravity building sewer, the pipe size is limited to a maximum of __________ inches in diameter.
a)
a. 8
b)
b. 6
c)
c. 4
d)
d. 3
22.
22. All horizontal drains shall be provided with cleanouts located not more than __________ feet apart.
a)
a. 40
b)
b. 60
c)
c. 80
d)
d. 100
23.
23. Where more than one change of direction exceeding 45 degrees occurs in a run of piping, only one cleanout shall be required for each __________ feet of developed length.
a)
a. 40
b)
b. 60
c)
c. 80
d)
d. 100
24.
24. A cleanout is required within __________ of the building drain and building sewer junction.
a)
a. 20 inches on the upstream side
b)
b. 10 pipe diameters on the downstream side
c)
c. 10 feet on the upstream side
d)
d. 20 feet on the downstream side
25.
25. A minimum clearance of __________ inches is required in front of a cleanout for a 2- inch drainage pipe.
a)
a. 12
b)
b. 18
c)
c. 24
d)
d. 30
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