WorksheetsRandom Plumbing 3
Total questions: 49
Worksheet time: 49mins
Name
Class
Date
1.
The discharge pipe of a sewage ejector connecting to horizontal drainage piping shall be connected through a __________.
a)
wye fitting into the side of the drainage piping
b)
sanitary tee into the side of the drainage piping
c)
sanitary tee into the top of the drainage piping
d)
wye fitting into the top of the drainage piping
e)
712.3.5
2.
Swimming pool deck drains that drain to the building’s sanitary drainage system
a)
direct connection
b)
indirect waste pipe by means of an air gap
c)
indirect waste pipe by means of an air break or an air gap
d)
indirect waste pipe by means of an air gap
e)
802.1.4
3.
For a shower compartment with an area of 1,300 square inches, the minimum interior dimension is __________ inches.
a)
22
b)
25
c)
27
d)
30
e)
421.4, Exception
4.
An indoor sports arena with a total occupant load of 5,440 requires at least__________ water closets in the women’s restrooms.
a)
103
b)
68
c)
58
d)
46
e)
403.1 Table
5.
Construction documents for buildings more than __________ stories in height shall indicate the materials and methods for maintaining the required fire-resistance rating.
a)
2
b)
3
c)
4
d)
6
e)
106.3.1
6.
A __________ is required to discharge indirectly through an air gap to the sanitary drainage system.
a)
a. food-preparation sink
b)
b. pots-and-pans sink
c)
c. domestic dishwashing machine
d)
d. commercial dishwashing machine
e)
802.1.1
7.
The drain pipe of a water heater pan shall be not less than __________ inch in diameter.
a)
3/4*
b)
1/2*
c)
1/4*
d)
1*
e)
504.7.1
8.
A temperature-activated, flow reduction device is an approved method for limiting water temperature to __________ °F or less at a faucet outlet.
a)
110
b)
115
c)
120
d)
105
e)
412.7
9.
The initial backfill over pipe installed in a trench shall be in maximum __________ layers of loose earth.
a)
4-inch
b)
6-inch
c)
8-inch
d)
12-inch
e)
306.3
10.
There shall be at least__________ inches of clearance in front of the water closet to any wall, fixture or door.
a)
12
b)
18
c)
21
d)
24
e)
405.3.1
11.
A __________ trap is approved on a dental cuspidor, where it is designed to capture solids such as dental gold, silver or porcelain.
a)
bell
b)
strap
c)
drum trap
d)
crown-vented
e)
1002.3, Item 6 Exception
12.
All horizontal drains shall be provided with cleanouts located not more than __________ feet apart.
a)
40
b)
60
c)
80
d)
100
e)
708.1.1
13.
Hub drains shall be permitted in the form of a hub or pipe extending not less than __________ inch(es) above a water-impervious floor.
a)
1/2*
b)
2*
c)
3/4*
d)
1*
e)
802.4.2
14.
For a nonpotable rainwater collection system, a __________ is required to prevent contaminated rainwater from entering the storage tank at the beginning of each rain event.
a)
bypass valve
b)
gutter guard
c)
first-flush diverter
d)
leader filter
e)
1303.4
15.
Bidets shall be equipped with a device conforming to ASSE 1070 or CSA B125.3 to limit the discharge water from fittings to a maximum temperature of __________
a)
105
b)
110
c)
120
d)
130
e)
408.3
16.
A required urinal partition shall extend not less than __________ inches from the wall surface.
a)
22
b)
12
c)
16
d)
18
e)
405.3.5
17.
A business occupancy is permitted to have a maximum occupant load of __________without requiring installation of a drinking fountain.
a)
10
b)
15
c)
25
d)
99
e)
410.2
18.
On-site nonpotable water reuse systems shall not receive the discharge from a __________.
a)
shower
b)
kitchen sink
c)
clothes washer
d)
laundry tray
e)
1302.2.1
19.
Where street main pressures are known to be variable, the...available pressure is used as the design criteria for the water distribution system.
a)
Mean
b)
Maximum
c)
Minimum
d)
Average
e)
604.6
20.
A three-compartment pots-and-pans sink is permitted to be installed on one trap, provided __________.
a)
Vertical distance from the outlet to the trap weir does not exceed 30"
b)
b. the waste outlets are not more than 30 inches apart
c)
1 compartment is not more than 8 inches deeper than another compartment
d)
The horiz distance from any 1 outlet to the trap inlet is not more than 24"
e)
1002.1, Exception 2
21.
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)
1/2*
b)
0*
c)
1*
d)
2*
e)
709.4.1
22.
An air admittance valve shall be installed a minimum of __________ inches above insulation materials.
a)
8
b)
6
c)
4
d)
2
e)
918.4
23.
A __________ is not required for a sewage sump and ejector.
a)
pump alarm
b)
vent
c)
check valve
d)
full open valve
e)
712.2 and 712.3.2
24.
When required to discharge to a combined building sewer system, floor drains in a __________ are not required to be individually trapped.
a)
food preparation facility
b)
multilevel parking garage
c)
warehouse
d)
factory
e)
1002.1, Exception 4
25.
An indirect waste pipe that discharges through an air break must terminate above the __________ of the waste receptor.
a)
flood level rim
b)
trap seal
c)
critical level
d)
strainer dome
e)
802.3.2
26.
Where tests are required as evidence of compliance with the code, the test reports code, the test reports shall be retained for __________.
shall be retained for __________.
shall be retained for __________.
a)
180 days after completion of the project
b)
the period required for retention of public records
c)
90 days after completion of the project
d)
120 days after occupancy of the building
e)
105.3.3
27.
When a plumbing permit is issued, the construction documents shall be stamped __________.
a)
APPROVED FOR CONSTRUCTION
b)
APPROVED
c)
ACCEPTED AS REVIEWED
d)
REVIEWED FOR CODE COMPLIANCE
e)
106.5.1
28.
Floor drains in walk-in refrigerators of food establishments shall be __________.
a)
a. directly connected to the drainage system
b)
connected to the drainage system protected with a backwater valve
c)
y connected to the drainage system by means of an air gap
d)
y connected to the drainage system by means of an air break
e)
802.1.2
29.
If a water purveyor were unable to provide a water supply at flow pressures sufficient to supply the minimum required pressures at the fixtures, all of the following would be a suitable resolution, except __________.
a)
Oversizing the water distribution piping system
b)
A hydropneumatic pressure booster system
c)
a water pressure booster pump system
d)
An elevated supplemental water supply
e)
606.5.1
30.
A 4-inch by 3-inch water closet flange is __________.
a)
not considered a reduction in size
b)
prohibited
c)
an offset fitting
d)
required
e)
704.2
31.
When a 11/4-inch diameter vent pipe serves the sump of a sewage ejector pump with a discharge capacity of 40 gpm, the maximum developed length of the vent is __________ feet.
a)
unlimited
b)
40
c)
72
d)
d. 160
e)
906.5.1 Table
32.
A chemical waste piping system requires __________.
a)
dilution of the chemicals involved
b)
resistance to the undiluted chemicals involved
c)
complete separation from the sanitary drainage system
d)
schedule 80 weight pipe or equivalent
e)
702.6
33.
The minimum burial depth of exterior water service piping is __________ inches below grade.
a)
6
b)
12
c)
24
d)
30
e)
305.4
34.
A relief vent is required for a waste stack having more than ___________ branch intervals.
a)
16
b)
5
c)
8
d)
10
e)
908.1
35.
In a sanitary drainage system, what is the minimum number of vent pipes that are required to extend to the outdoors?
a)
one
b)
two
c)
one for each air admittance valve
d)
one for each vent stack or stack vent
e)
904.1
36.
Where code provisions are in conflict with the referenced standard, the__________ provisions shall apply.
a)
code
b)
referenced standard
c)
most restrictive
d)
more specific
e)
102.8.1
37.
Automatic clothes washer standpipes are limited to a maximum height of __________ inches above the trap weir.
a)
18
b)
24
c)
30
d)
42
e)
802.4.3
38.
Where is the cleanout required on a trapped vertical conductor that discharges to a horizontal combined sewer?
a)
on the sewer side of the trap
b)
on the building side of the trap
c)
less than 10 pipe diameters downstream of the conductor
d)
a minimum of 10 pipe diameters downstream from the conductor
e)
1103.4
39.
Where different sections of the code specify different requirements, the__________ requirement shall apply.
a)
general
b)
most restrictive
c)
least restrictive
d)
specific
e)
102.1
40.
Which of the following pipe materials is not suitable for joining by a heat fusion method?
a)
polyethylene
b)
polyolefin
c)
polyvinylidene fluorid
d)
borosilicate
e)
705.7, 705.12.1, 705.13.1, 705.14.1
41.
A __________ is permitted to discharge to an approved nonpotable water system.
a)
bidet
b)
clothes washer
c)
floor drain
d)
sink
e)
301.3, Exception
42.
Which of the following is required to prevent the collapse of an elevated pressure tank in a water pressure booster system?
a)
Check valve
b)
Vacuum breaker
c)
Vacuum relief valve
d)
Pressure reducing valve
e)
606.5.9
43.
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)
180
b)
216
c)
250
d)
160
e)
710.1(1) Table
44.
Unless the manufacturer states otherwise, the minimum size of the access opening to a whirlpool circulation pump located within 24 inches of the opening is __________.
a)
8 inches x 12 inches
b)
12 inches x 12 inches
c)
12 inches x 18 inches
d)
18 inches x 18 inches
e)
426.5
45.
If approved, the travel distance to an employee toilet room may exceed 500 feet in a__________.
a)
stadium
b)
covered mall
c)
warehouse
d)
factory
e)
403.3.3, Exception
46.
The path of travel to required toilet facilities for an employee in a coveredmall shall not exceed __________ feet.
a)
200
b)
250
c)
300
d)
500
e)
403.3.4
47.
The maximum horizontal distance between a lavatory and the stack of a single stack vent system is __________ feet in developed length.
a)
4
b)
8
c)
12
d)
16
e)
917.4.2
48.
In each toilet room of an institutional occupancy, urinals may be substituted for no more than __________ percent of the required number of water closets.
a)
50
b)
33
c)
67
d)
75
e)
424.2
49.
Individual and branch vent pipes exceeding 40 feet in developed length are required to be__________.
a)
not less than 2 inches in diameter
b)
one-half the diameter of the drain served
c)
not less than 2 pipe sizes smaller than the largest drain served
d)
pipe size greater than otherwise required
e)
906.2
100 %
