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2021 IPC CHAPTER 6

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

The required water design capacity of bathtub mixing valves is __________ gallons per minute.

a)

4

b)

2

c)

6

d)

8

2.

Water from an individual water supply shall be approved as __________ by the authority having jurisdiction prior to connection to the plumbing system.

a)

potable

b)

non-potable

c)

recycled

d)

untreated

3.

The maximum flow rate for a water closet is __________ gallons per flushing cycle.

a)

1.6

b)

2.5

c)

3.0

d)

4.0

4.

For water service piping, cement or concrete joints shall be ________________.

a)

prohibited

b)

required

c)

recommended

d)

optional

5.

Where potable water pumps are installed in basements, such pumps shall be mounted on a block or shelf not less than __________ inches above the basement floor.

a)

18

b)

6

c)

12

d)

24

6.

Soldered joints of copper water supply piping shall be made with ______ - ______ solders and fluxes.

a)

lead-free

b)

tin-based

c)

silver-bearing

d)

acid-core

7.

Existing metallic water service piping used for electrical grounding shall not be replaced with ____________ pipe or tubing until other approved means of grounding is provided.

a)

nonmetallic

b)

copper

c)

galvanized

d)

steel

8.

The minimum diameter of water service pipe shall be ____________ inch.

a)

3/4

b)

1/2

c)

1

d)

5/8

9.

Lavatories shall have a minimum __________ - inch water supply pipe.

a)

3/8

b)

1/2

c)

1/4

d)

5/8

10.

__________ valves shall be installed on the water supply pipe to each appliance or mechanical equipment.

a)

shutoff

b)

pressure relief

c)

check

d)

drain

11.

The hot water supply to any fixture shall be installed on the _______ - hand side of the fixture.

a)

left

b)

right

c)

top

d)

bottom

12.

Freeze proof yard hydrant that drains the riser into the ground is considered to have a ________ - _____ - __________ valve below grade.

a)

stop-and-waste

b)

gate-and-globe

c)

check-and-balance

d)

pressure-relief

13.

Where water pressure within a building exceeds __________ psi static, an approved water pressure-reducing valve with a strainer shall be installed to reduce pressure to not greater than _______ psi static.

a)

80, 80

b)

60, 60

c)

100, 80

d)

90, 70

14.

A water-hammer arrestor shall be installed where __________ - __________ valves are utilized.

a)

quick-closing

b)

pressure-reducing

c)

gate

d)

ball

15.

Non potable water outlets, such as hose connections, open-ended pipes and faucets, shall be identified with signage that reads as follows: “Non potable water is utilized for (application name). CAUTION: ______ __________ - _____ _____ _______.”

a)

NONPOTABLE WATER - DO NOT DRINK

b)

POTABLE WATER - SAFE FOR DRINKING

c)

NONPOTABLE WATER - SAFE FOR DRINKING

d)

POTABLE WATER - DO NOT USE

16.

What color shall be used to identify piping in nonpotable water distribution systems?

a)

purple

b)

green

c)

blue

d)

yellow

17.

Water service pipe and the building sewer shall be horizontally separated by not less than ______ feet of undisturbed or compacted earth.

a)

5

b)

2

c)

10

d)

1

18.

Unless otherwise provided in this code, __________ water shall be supplied to all plumbing fixtures.

a)

potable

b)

distilled

c)

recycled

d)

untreated

19.

__________ - open valves shall be installed on the water supply pipe to every water heater.

a)

full

b)

half

c)

quarter

d)

manual

20.

Backflow preventers shall not be located in areas subject to ______________.

a)

freezing

b)

high humidity

c)

direct sunlight

d)

excessive dust

21.

Water service pipe or tubing, installed underground and outside of the structure, shall have a working pressure rating of not less than ___________ psi.

a)

160

b)

100

c)

125

d)

200

22.

For potable water outlets with effective openings greater than 1 inch, the minimum air gap close to a wall shall be _______ times the diameter of the effective opening.

a)

three (3)

b)

one (1)

c)

two (2)

d)

four (4)

23.

Pipe, pipe fittings, joints, valves, faucets and fixture fittings supplying water for drinking or cooking purposes shall have a weighted average lead content of _______ percent or less.

a)

0.25

b)

0.5

c)

1.0

d)

2.0

24.

Hot water distribution pipe and tubing shall have a pressure rating of not less than ________ psi at 180 degrees Fahrenheit.

a)

100

b)

75

c)

125

d)

60