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IPC Journeyman Plumber > Practice Test 2 > Flashcards

Practice Test 2 Flashcards

Prepare for the IPC exam with practice tests and review questions. (120 cards)

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1
Q

What is the required pipe size for a vertical stack with the discharge from 5 branch intervals carrying 200 drainage fixture units?

A

8”

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2
Q

Calculate the measurement for a special case 90 degree offset using 45 degree elbows for M if the spread between pipes is 14”.

See Practice Problem Figure 8-7

A

10 5/8”

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3
Q

Fill in the blank:

In non bearing partition walls, a stud shall not be notched in excess of ______ percent of its depth.

A

40

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4
Q

What size of storm drain pipe should be installed for a vertical roof drain that has a gallon per minute flow of 450 gpm?

A

6”

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5
Q

What is the minimum slope for a horizontal pipe that is 8 inches in diameter?

A

1/16” per foot

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6
Q

Fill in the blank:

Every dry vent shall connect to a horizontal drain pipe ______ the center line.

A

above

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7
Q

Which of the following devices is NOT to be installed for high hazard backflow situations?

a. reduced pressure principle backflow prevention assembly
b. air gap
c. backflow preventer with intermediate atmospheric vents
d. hose connection vacuum breaker

A

c. backflow preventer with intermediate atmospheric vents

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8
Q

What is the grease retention capacity for an interceptor with a flow through rate of 20 gpm?

A

40 pounds

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9
Q

Convert:

37.4 gallons to cubic feet

A

5 cubic feet

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10
Q

What are the total drainage fixture units at point C?

Examine Figure 8-8

A

32 DFU

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11
Q

Fill in the blank:

Shut off valves for gas appliances located at a manifold shall be within ______ feet of the appliance served.

A

50

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12
Q

What is the required air pressure for an air test on drainage and vent pipe systems?

A

5 psi

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13
Q

What is not a listed color for CPVC glue?

A

purple

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14
Q

Fill in the blank:

When work is performed ______ feet above lower levels, fall protection is required.

A

6 feet

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15
Q

What is the minimum trap size for a drinking fountain?

A

1 1/4”

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16
Q

What is the pipe size given the following information:

Schedule 40 Metallic Pipe
Natural Gas 2.0 psi
Pressure Drop 1.0 psi
Developed Length 150 feet
Cubic Feet Per Hour 2000

A

1 1/4”

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17
Q

What is the maximum travel distance to a drinking fountain in a typical public area, not including a covered mall?

A

500 feet

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18
Q

Which of the following devices is for use on backsiphonage situations only?

a. air gap
b. reduced pressure principle backflow preventer assembly
c. laboratory faucet backflow preventer
d. anti siphon-type fill valves for gravity water closet flush tanks

A

d. anti siphon-type fill valves for gravity water closet flush tanks

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19
Q

Find the grade of a pipe if the drop is 21” and the run is 84 feet.

A

1/4” per foot

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20
Q

The potable water supply shall be protected at the connection of a fire sprinkler system by
use of which device?

A

double check backflow prevention assembly

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21
Q

What is the minimum horizontal hanger spacing for 2” copper tubing?

A

10 feet

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22
Q

What is the required pipe size for a vertical stack with the discharge from three branch intervals carrying 600 drainage fixture units?

A

6”

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23
Q

Find the drop if the percentage grade is 2% and the run is 65 feet.

A

16 1/4”

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24
Q

What is the required pipe size for a horizontal branch drain carrying 140 drainage fixture units?

A

4”

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25
What is the drainage fixture unit value for a shower receiving 6.5 GPM?
3
26
What is the minimum size cleanout for a 6" pipe?
4"
27
# Fill in the blank: The effluent level in a sewage ejector sump shall be maintained at all times to prevent effluent in the sump from rising within \_\_\_\_\_\_ inches of the invert gravity drain inlet into the sump.
2"
28
What is the minimum width for a passageway of a room containing appliances in a building that is not for dwelling units?
36"
29
The horizontal distance from the fixture outlet to the trap weir shall not exceed \_\_\_\_\_\_ inches.
30"
30
# Fill in the blank: What is the minimum width for a toilet compartment partition?
30"
31
What is the vent pipe size for a drainage system serving a 4" stack carrying 400 DFU with a developed length of 165 feet?
4"
32
# Fill in the blank: Oil separators shall have a depth of not less than \_\_\_\_\_\_ feet below the invert of the discharge drain.
2
33
What are the total drainage fixture units at point A? | Examine Figure 8-9
24 DFU
34
# Fill in the blank: A cleanout at the junction of the building drain is required at the junction or within \_\_\_\_\_\_ feet upstream from the junction.
10
35
# Fill in the blank: The person acting as code official is \_\_\_\_\_\_.
appointed by local authority
36
What is the maximum slope for a pipe that is used in a combination waste and vent system?
1/2" per foot
37
# Convert: 12.46’ to feet and fractional inches
12' 5 1/2"
38
# Fill in the blank: The duration of a test on a gas piping system shall not be required to exceed \_\_\_\_\_\_ hours.
24
39
What is the maximum DFU for a common vent serving a 2" drain?
4
40
What is the minimum drain size for an emergency eye wash station?
no drain required
41
# Fill in the blank: Wall materials for a bathtub or shower shall extend to a height of not less than \_\_\_\_\_\_ inches above the drain of the tub or shower.
70
42
Calculate the diagonal for a rolling offset made with two 45 degree fittings which has a rise of 12 inches and an offset of 14 inches.
26.07 inches
43
Find the area of a square that is 33’ 6” on each side.
1122 square feet
44
# Fill in the blank: A combination plumbing fixture is permitted to be installed on one trap provided that the waste outlets are not more than \_\_\_\_\_\_ inches apart.
30
45
Solve for the gallon per minute for a roof surface that is 4,000 square feet at a location with 1 inches of rainfall intensity per hour.
42
46
What is the vent diameter of a double-wall gas vent given the following information: Single Appliance. Category 1 Connected directly to appliance vent Vent Height 20’ Lateral Length 5’ Appliance BTU = 140,000 Natural Draft
5"
47
# Convert: 7.75” to fractional inches
7 3/4”
48
# Convert: 5.625’ to feet and fractional inches
5’ 7 ½”
49
# Fill in the blank: A tracer wire with a size of not less than \_\_\_\_\_\_ AWG shall be installed for non metallic water service pipes for Group I-2, Condition 2 facilities.
18
50
What is the vent pipe size for a drainage system serving a 6” stack carrying 1800 DFU with a developed length of 150 feet?
5"
51
# Fill in the blank: Shoring in a trench excavation must extend down to within \_\_\_\_\_\_ inches of the bottom of the trench.
24
52
Find the area of a tank that has a diameter of 48 inches. | (Use Pi = 3.14)
1808 square inches
53
# True or False: The discharge pipe serving a temperature and pressure relief valve shall not have any tee fittings.
True
54
# Convert: 25’ 10 7/8” to decimal feet
25.90’
55
# Fill in the blank: A wire basket on the discharge side of a clothes washer shall prevent passage of solids \_\_\_\_\_\_ inch(es) or larger from being discharged into the public sewer.
½
56
# Fill in the blank: Stack-type air admittance valves shall be located not less than \_\_\_\_\_\_ inches above the flood level rim of the fixture drain being vented.
6
57
# Fill in the blank: Extension ladders are to extend \_\_\_\_\_\_ above the upper landing surface.
3 feet
58
# Convert: 77,760 cubic inches into cubic feet
45 cubic feet
59
# Fill in the blank: Cleanouts for 8 inch pipe shall be provided with a clearance of not less than \_\_\_\_\_\_ inches.
36
60
What is the maximum distance for a horizontal branch serving a water closet in a single stack vent system?
4 feet
61
Find the drop if the grade is 1/8” per foot and the run is 150 feet.
18 ¾”
62
# True or False: Waste receptors for indirect waste shall be permitted in concealed spaces such as crawl spaces, attics or plenums.
False
63
What size is the horizontal gutter if the slope is ¼” per foot and the flow rate is 157 gpm?
3” x 5”
64
# True or False: Cleanouts are required on storm drainage with the same requirements as that of sanitary drainage systems.
True
65
How much larger should a sleeve be in comparison to the pipe passing through it?
2 pipe sizes larger
66
What is the maximum distance for a trap arm for a 2” trap with ¼” per foot grade?
8 feet
67
What is the drain pipe diameter for a water supply tank with a tank capacity of 1,100 gallons?
1 ½”
68
# Fill in the blank: When backfilling a trench, loose earth shall be placed in the trench in \_\_\_\_\_\_ inch layers and tamped in place until the crown of the pipe is covered by 12 inches of tamped earth.
6
69
What is the minimum diameter for a storm or ground water sump pit?
18”
70
What is the drainage fixture unit value for a bidet?
1
71
# Fill in the blank: The fixture supply pipe shall terminate not more than \_\_\_\_\_\_ inches from the point of connection to the fixture.
30
72
# Fill in the blank: The maximum horizontal length of a Type B double-wall gas vent connector shall be \_\_\_\_\_\_ percent of the height of the vent.
100
73
What is the minimum flow rate in gallons per minute for a shower?
2.5
74
Which color is used to indicate a non potable water system?
purple
75
What is the smallest building drain or building sewer size that can be replaced by relining methods?
4"
76
How far above the roof shall a vent pipe terminate if a photovoltaic panel is mounted over the top of the vent opening?
2 inches
77
What is the minimum vent pipe size for terminations that are located in areas where 97.5 percent value for outdoor design is 0 degrees Fahrenheit?
3"
78
# Fill in the blank: Gas appliance venting systems shall be designed and constructed so as to convey all flue and vent gasses \_\_\_\_\_\_.
to the outdoors
79
What is the maximum total developed length for a pipe running from a fixture to an indirect waste location?
54"
80
# Fill in the blank: Manholes for drainage pipes in a building shall be located not more than \_\_\_\_\_\_ feet apart.
400
81
# True or False: A code official can be held personally liable for damages caused that result from enforcement of the code.
False
82
What is the minimum number of drinking fountains required in a bank?
1 per 1000 persons
83
What is the vent size at point D in Figure 8-10 if the developed length of the vent is 75 feet? | Examine Figure 8-10
2"
84
What is the maximum DFU for a waste stack vent serving a 3” drain?
24
85
# Fill in the blank: Horizontal branches at the base of stacks shall connect at a point not less than \_\_\_\_\_\_ times the diameter of the drainage stack downstream from the stack.
10
86
# Fill in the blank: If the building sewer is not constructed of materials listed in Table 702.2, the water service pipe shall be horizontally separated by not less than \_\_\_\_\_\_ feet of undisturbed earth.
5
87
# Fill in the blank: Standpipes intended for indirect waste shall not extend less than \_\_\_\_\_\_ inches above the trap weir.
18"
88
# Convert: 6 7/16” to decimal inches
6.437”
89
# Fill in the blank: Through-the-wall vent terminal shall terminate not less than \_\_\_\_\_\_ feet from an inside corner of the building.
no clearance required
90
What is the maximum cubic feet per hour given the following information: Schedule 40 Metallic Pipe Natural Gas Less than 2 psi 0.5 inch w.c. Developed Length 60 feet Pipe Size 1”
257
91
What is the minimum slope required for condensate drain piping from a fuel-burning appliance?
1 percent
92
# Fill in the blank: The vent system serving a building drain shall have not less than \_\_\_\_\_\_ vent pipe that extends to the outdoors.
1
93
What pipe size is required for a building drain carrying 1100 DFU if the pipe has 1/8” per foot slope?
8"
94
# Fill in the blank: The discharge from commercial dishwashers shall discharge through an indirect waste connection by means of \_\_\_\_\_\_.
either air gap or air break
95
What is the minimum fixture water supply pipe size for a toilet with a flush tank?
3/8”
96
Find the drop if the grade is ¼” per foot and the run is 80 feet.
20"
97
What is the minimum dimension of air openings for outside combustion air?
3"
98
# Fill in the blank: Combustion air communicating with the outdoors through one permanent opening shall have an opening of 1 square inches for every \_\_\_\_\_\_ Btu/h rating of the total of all appliances served.
3000
99
What is the minimum drain size for an automatic clothes washer?
2"
100
Calculate the diagonal for a pipe that offsets 10 inches using two 45 degree fittings.
14.1 inches
101
A toilet costs $645.00 at the supplier. The plumber will sell the faucet with a markup of 35%. What is the new price for the faucet?
$870.75
102
# Convert: 200 gallons into weight measurement in pounds
1666 pounds
103
What is the minimum size for any sanitary drainage vent?
1 ¼”
104
Calculate the measurement for M if the spread between pipes is 17” and J is 18”. | See Final Test Figure 8-11
10 15/16”
105
# Fill in the blank: Each fixture trap shall have a trap seal of not more than \_\_\_\_\_\_ inches deep.
4
106
# Fill in the blank: Water service pipe installed underground outside the structure shall have a pressure rating of not less than \_\_\_\_\_\_ psi at 73.4 degrees F.
160
107
How tall is a water tower if the pressure at the base is 75 psi?
173 feet
108
What is the minimum size wire for a bonding jumper for CSST?
6 AWG copper
109
# Fill in the blank: Strainer plates on drain inlets are not to have openings any larger than \_\_\_\_\_\_ inch in least dimension.
½”
110
# Fill in the blank: Secondary roof drain systems shall have an end point of discharge \_\_\_\_\_\_ the primary system.
separate from
111
What is the minimum fixture water supply pipe size for a lavatory?
3/8”
112
What is the minimum flow pressure in psi for a public lavatory?
8
113
# True or False: A clothes dryer is permitted to be installed in a bathroom.
True
114
What size of storm drain pipe should be installed for a horizontal roof drain that has a slope of ½” per foot and a gallon per minute flow of 100 gpm?
3"
115
What pipe size is required for a building drain carrying 150 DFU if the pipe has 1/8" per foot slope?
4"
116
What is the maximum spacing for piping supports when installing 1" steel gas pipe?
8"
117
# Fill in the blank: The size of storm drain piping shall be based on \_\_\_\_\_\_.
gallons per minute flow through the roof drain
118
# Fill in the blank: When installed in an attic, water heaters shall be provided with a level working space not less than \_\_\_\_\_\_ inches in length and width.
30
119
What are the total drainage fixture units at point B? | Examine Figure 8-12
64 DFU
120
What is the minimum vertical hanger spacing for 1" PEX tubing?
10 feet

IPC Journeyman Plumber (11 decks)

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