WorksheetsIPC 3B
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
01. When installed horizontally, 11/4-inch polypropylene pipe and tubing shall be supportedat maximum intervals of __________.
a)
32 inches
b)
48 inches
c)
8 feet
d)
10 feet
2.
02. A horizontal 4-inch PVC drainage pipe suspended from the ceiling requires ________ at a 90 degree turn.
a)
axial restraints
b)
sway bracing
c)
coupling restraints
d)
thrust blocks
3.
03. One-half-inch CPVC water pipe installed horizontally shall be supported at maximum intervals of __________ feet.
a)
6
b)
5
c)
4
d)
3
4.
04. Support hangers for 10-foot lengths of cast-iron soil pipe suspended from a ceiling
a)
2.5
b)
5
c)
7.5
d)
10
5.
05. PVC pipe installed vertically requires a guide installed midway between required
a)
1
b)
3
c)
2
d)
44869
6.
06. Which of the following is not specifically allowed for sealing around a pipe that
a)
flashing
b)
caulk
c)
foam sealant
d)
gasketing system
7.
07. When located in a flood hazard area, the top of a potable water well casing without a
a)
6
b)
12
c)
18
d)
24
8.
08. When performing an air test on cast iron drain, waste and vent (DWV) piping at a
a)
0.1
b)
0.2
c)
0.5
d)
1
9.
09. A water test on a building drain requires at least a __________ head of water.
a)
5-foot
b)
10-foot
c)
12-foot
d)
15-foot
10.
10. The __________ is responsible for performing tests on plumbing piping systems.
a)
code official
b)
owner
c)
person doing the work
d)
permit holder
11.
11. The water supply system test must hold a water pressure not less than __________.
a)
5 psi
b)
50 psi
c)
10-foot head pressure
d)
the working pressure of the system
12.
12. Condensate piping must maintain a minimum slope of not less than __________ percent.
a)
1
b)
2
c)
1/4
d)
44563
13.
13. When required on downflow HVAC units to prevent damage from condensate, a
a)
at the equipment drain pan outlet
b)
inside the auxiliary drain pan
c)
in the auxiliary drain line
d)
inside the primary drain pan
14.
14. For piping bundles in manifold water distribution systems, hot water piping
a)
requires expansion joint fittings
b)
must be individually insulated
c)
must be thermally isolated from cold water piping
d)
is not permitted in bundles containing cold water piping
15.
15. On construction sites, __________ are required for workers.
a)
water dispensers
b)
emergency showers
c)
emergency eye washes
d)
toilet facilities
16.
16. Water or air pressure tests on piping systems must be held for not less than
a)
15
b)
30
c)
10
d)
20
17.
17. Where water supply systems other than plastic are tested with air, the test pressure
a)
10
b)
20
c)
30
d)
50
18.
18. Horizontal 6-inch PVC drainage piping installed above ground requires __________
a)
support
b)
sway bracing
c)
restraint
d)
expansion fittings
19.
19. One inch cross-linked polyethylene (PEX) piping installed horizontally requires
a)
48
b)
36
c)
32
d)
24
20.
20. The building sewer requires testing under not less than a __________ -foot head of
a)
10
b)
12
c)
15
d)
8
21.
21. For other than prefabricated shower bases, a water test at least __________ inch(es)
a)
4
b)
3
c)
2
d)
1
22.
22. The drain line size for condensate from evaporators and cooling coils shall be not less
a)
1/2"
b)
5/8"
c)
3/4"
d)
3/8"
23.
23. For a condensate drain line serving multiple units with a total equipment capacity of
a)
1
b)
1-1/4"
c)
1-1/2"
d)
2
24.
24. An auxiliary drain pan shall be at least __________ inches larger than the unit it
a)
6
b)
4
c)
3
d)
2
25.
25. Condensate drains separate from the primary drain line shall discharge
a)
the sanitary drain
b)
a floor drain
c)
grade outside the building
d)
a conspicuous location
100 %
