Test 136

IPC Plumbing Exam

Name: ________________________________________________________________________

Date: _________________________

Score: _________________________

Carefully read each question and then circle the letter of the best answer.

1. The minimum air gap for a fixture with an effective open of 1/2", located away from a wall is

______ inch(s).

a. 1/2

b. 2

c. 1-1/2

d. 1

2. Vents exceeding _____ feet shall be increased by one nominal pipe size for the entire

developed length of the vent pipe.

a. 10

b. 20

c. 30

d. 40

3. A barometric loop may be used as a backflow preventer for ____ liquids.

a. low hazard

b. high hazard

c. either a or b

d. neither a or b

4. According to Table 604.3 the required flow rate for a shower is ___ gpm.

a. 4

b. 8

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c. 3

d. 5

5. The diameter of hole bored in joists shall not exceed ____ the depth of the joist.

a. 1/3

b. 1/2

c. 1/4

d. 1/8

6. Tubular stainless steel waste fittings must have a minimum thickness of _______inch.

a. .010

b. .012

c. .025

d. .033

7. Piping that is required to be identified, shall be identified at a maximum interval of____ feet, and

at each point where the pipe passes through a wall, floor or roof.

a. 10

b. 25

c. 15

d. 12

8. Solvent cement for PVC plastic pipe shall conform to the following except____.

a. is permitted to be used both, above and below ground

b. must be used with a primer that conforms to ASTM F 656

c. must be applied only to the male portion of the connection

d. shall not be purple

9. A yoke vent must be used to vent horizontal offsets of drainage stacks when there are ______ or

more branch intervals above the offset.

a. 10

b. 8

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c. 6

d. 5

10. A clearance in front of accessible bathtubs extending the length of the bathtub and _____

inches (760 mm) minimum in depth shall be provided.

a. 56

b. 59

c. 30

d. 48

11. A grease interceptor whose flow rate is 50 gpm or less is a_______.

a. Grease remover

b. Grease receptor

c. Grease trap

d. Grease filter

12. A Light industrial business with 150 female employees must have a minimum of ____ water

closets available.

a. 5

b. 4

c. 3

d. 2

13. The purpose of a vent is _______.

a. to protect the trap seal

b. to low the drain to drain

c. prevent the drain from gurgling

d. provide an extra route for rodding

14. The vent pipe shall extend a minimum of ___ if the roof is used only for weather protection.

a. 18 inches

b. 24 inches

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c. 30 inches

d. 36 inches

15. The following types of water pipe joints and connections are prohibited except______.

a. cement joints

b. solvent-cement between different types of plastic

c. solders joints

d. saddle-type fittings

16. A bathroom requiring seven water closets may substitute a maximum of _____ water closets with

urinals.

a. 2

b. 3

c. 4

d. 5

17. Allowable joints between cast iron hub pipe and plastic pipe are ________.

a. screwed

b. cemented

c. ferruled

d. caulked

18. Accessible bathtubs shall deliver water that is _____ degrees F maximum.

a. 95

b. 100

c. 110

d. 120

19. Mechanical joints in ABS plastic pipe may only be installed ______

a. in underground systems

b. in above ground systems

c. outside the building

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d. inside the building

20. PVC primer must be _____ in color.

a. red

b. green

c. purple

d. yellow

21. A clinical sink shall have the flushing and cleansing characteristics of ______.

a. a commercial sink

b. a water closet

c. a can wash

d. a bird bath

22. In one and two family dwellings, the discharge piping form a sewage pump or ejector shall

have a ______.

a. full open valve installed

b. check valve installed

c. both a and b

d. either a or b

23. Water heaters, other than direct vented, may be installed in _____

a. public restrooms

b. utility closet

c. bedroom

d. bathroom closet

24. The minimum vent size of a sewage pump sump with a pump capacity of 10 gpm is ____inches.

a. 1-1/4

b. 1-1/2

c. 2

d. 2-1/2

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25. A shop with less than ___ employees may use a sink faucet in lieu of a drinking fountain.

a. 4

b. 5

c. 8

d. 10

26. An indirect waste pipe that exceeds _____ feet in total developed horizontal length must be

trapped.

a. 1.5

b. 2

c. 3

d. 4

27. An air admittance valve shall be installed a minimum ____inches above the fixture drain being

vented.

a. 2

b. 3

c. 4

d. 6

28. The temperature of water from tankless water heaters shall be a maximum of ____degrees

when intended for domestic use.

a. 120

b. 130

c. 140

d. 150

29. The minimum size combination drain and vent pipe connecting to a horizontal drain used to

serve a floor drain and lavatory is _____ inches.

a. 1-1/2

b. 2

c. 2-1/2

d. 3

Test 136

30. A pressure reducing valve is required where supply water static pressure exceeds ____psi.

a. 60

b. 70

c. 75

d. 80

31. Whirlpool pumps shall be installed _____.

a. in an enclosure

b. below the water line

c. even with the bottom of tub

d. above the trap weir

32. According to Table 604.3 the required water pressure for a residential dishwasher is ___ psi.

a. 25

b. 8

c. 15

d. 20

33. A building drain extends _______ beyond the exterior walls of a building

a. 30 inches

b. 5 feet

c. 10 feet

d. 48 inches

34. The size of the letters of pipe identification for a 2 inch pipe shall be _____ inches.

a. .5

b. .75

c. 1

d. 1.25

35. The fixture drain of an automatic clothes washer shall connect to branch drain or stack a

minimum of _____ inches in diameter.

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a. 1-1/4

b. 1-1/2

c. 2

d. 3

36. Solvent cement joints between ABS and PVC pipe shall _____.

a. be made with all purpose cement

b. be joined with reamed out PVC fittings

c. be prohibited

d. only be allowed underground

37. A three compartment sink is a ______________ fixture.

a. Triple ganged

b. Combination

c. Grouped

d. Battery

38. A pipe that is located inside a building and conveys storm water from the roof to the sewer is a

____?

a. Leader

b. Conductor

c. roof drain

d. Storm drain

39. Which of the following may not be deposited by any means into a public sewer system?

a. gray water

b. industrial waste

c. poisonous liquids

d. detergents

40. A child care facility containing four water closets may have a maximum of ______ water

closet(s) without an enclosing compartment.

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a. 1

b. 2

c. 3

d. 4

41. A fixture with a 1-1/4 inch drain has _______drainage fixture units.

a. 2

b. 4

c. 1

d. 5

42. A service sink______ .

a. must be located on each floor of a public building

b. must have a minimum 2 inch drain

c. may be located in an employee toilet facility

d. may be substituted with a laundry sink

43. The minimum size trap for a bathtub is _____inches.

a. 1-1/4

b. 1-1/2

c. 2

d. 2-1/2

44. A water closet shall not be set any closer than ____ inches from its center to a wall.

a. 12

b. 16

c. 15

d. 18

45. The minimum diameter of an individual vent totaling 45 feet developed length and serving a

horizontal drain branch, handling 20 dfu’s is ____ inches.

a. 1.5

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b. 2

c. 2.5

d. 3

46. Which of the following joints are prohibited?

a. dielectric fittings

b. threaded

c. saddle-type

d. caulked

47. A wet vent may___.

a. serve only one bathroom group

b. allows for water closets to be connected at different levels

c. accept drainage from fixtures above water closets

d. Extend from the connection of the dry vent down to the lowest fixture drain connection

48. A plumbing fixture is considered private when install in a _____.

a. bar

b. airport

c. motel room

d. restaurant

49. An oil separator shall have an outlet water sea of not less than ___ inches.

a. 18

b. 16

c. 12

d. 6

50. The overflow from any fixture shall discharge into the drainage system on the ______ side of the

fixture trap.

a. outlet or drain

b. inlet or fixture

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c. top

d. bottom

51. The vertical distance from a fixture drain to the inlet of a grease interceptor used as a trap shall

not exceed _____ inches.

a. 12

b. 18

c. 24

d. 30

52. The maximum flow rate for a hand held shower is _____ gpm @ 80 psi.

a. 1.5

b. 2.5

c. 2.2

d. 3.1

53. Plastic PVC drainage pipe may conform to ASTM _______.

a. A 888

b. F 1488

c. C 1053

d. D 2665

54. A macerating toilet assembly that serves a single water closet, may have a discharge opening

as small as________ inches.

a. .5

b. 1.5

c. 1.25

d. .75

55. Pipe fittings for copper pipe may conform to _____.

a. ASTM 1975

b. ASTM F 1807

Test 136

c. ASTM F 1974

d. ASME B16.15

56. A waste stack shall_____.

a. be vertical only

b. not have vertical or horizontal offsets

c. not receive discharge form water closets

d. all of the above

57. The critical level of a vacuum breaker shall be set a minimum of __ inches above the flood level

rim of the device.

a. 2

b. 4

c. 6

d. 8

58. An acceptable height of an accessible water closet seat is ___ inches.

a. 14

b. 16

c. 18

d. 20

59. A bathroom with a water closet (1.6 gpf), lavatory tub/shower, bidet and floor drain has _____

drainage fixture units.

a. 5

b. 6

c. 7

d. 8

60. A grease interceptor whose flow rate exceeds 50 gpm is a________.

a. Grease interceptor

b. Grease receptor

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c. Grease trap

d. Grease filter

61. Gauges used to test pressures of 10 psi or less shall have increments of ___psi or less.

a. .05

b. .10

c. .20

d. 1

62. Drinking water treatment units shall meet the requirements of______.

a. ANSI/NSF 42

b. ANSI/NSF 44

c. ANSI/NSF 53

d. any of the above

63. A maximum of ____ fixtures connected to a horizontal branch drain shall be permitted to be

circuit vented.

a. 4

b. 6

c. 8

d. 10

64. A piping arrangement in which a drain from a fixture discharges indirectly into another fixture

below the flood level rim and above the trap seal is an ______.

a. Air gap

b. Air space

c. Air break

d. Air drain

65. The vent connection to a combination drain and vent pipe shall extend vertically a minimum of

____ inches above the highest fixture before offsetting horizontally.

a. 4

b. 6

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c. 8

d. 12

66. A 1 inch diameter faucet, where the inside edge of the spout opening is 2.5 inches away from a

single wall is______.

a. close to the wall

b. away from the wall

c. exactly where it should be

d. too short to be used

67. Fixtures with concealed slip-joint connections shall be provided with an access panel or utility

space at least _____ inches in its smallest dimension.

a. 12

b. 15

c. 18

d. 20

68. Holes bored in joists shall not be within ___inches of the top or bottom of the joist.

a. 1/2

b. 3/4

c. 1

d. 2

69. Bases of stacks may not be supported by ______.

a. wood bracing

b. concrete

c. Brick laid in cement mortar

d. Metal brackets attached to the building

70. The bottom water service pipe may be placed within _____ inches of the top of a sewer pipe

conforming to ASTM F 1488.

a. 8

b. 72

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c. 18

d. 12

71. An appliance with an entering flue temperature of 1500 degrees F is a____.

a. low heat appliance

b. medium heat appliance

c. high heat appliance

d. super high heat appliance

72. Where the piping system is connected to equipment or components designed to operate at

pressures less than the test pressure,______.

a. the piping shall be tested only with a leak detecting fluid

b. the test pressure shall be reduced to the operating pressure

c. the equipment or components shall be isolated from the piping

d. only air shall be used

73. A category 1 residential water heater may not be vented into a _____

a. chimney with a clay flue liner

b. B-vent system

c. BW vent system

d. listed chimney lining system

74. Where combustion air is supplied by mechanical mean the rate shall be not less than _____ cfm

per 1000 btu/h of all appliances installed in the same space.

a. .50

b. .35

c. .25

d. .15

75. Unless otherwise approved, threaded fitting larger than ____ inches shall not be used for gas

piping.

a. 4

b. 3

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c. 5

d. 2.5

76. All Gas piping installed outdoors shall be elevated not less than ____ inches above the ground.

a. 2-1/2

b. 3

c. 31/2

d. 4

77. A category I appliance cannot be connected to vent whose effective area is _____ times or

greater than the appliance draft hood outlet area.

a. 3

b. 5

c. 7

d. 8

78. A drip shall be provided_____.

a. at the inlet of a gas valve

b. at the outlet of a meter

c. on the downstream side of the equipment shutoff valve

d. where dry gas exists

79. Semi-rigid metallic tubing, used as a gas appliance connector, shall be limited to _____ feet.

a. 3

b. 4

c. 5

d. 6

80. The minimum dimension of an outdoor combustion air opening shall not be less than ___ inches.

a. 2

b. 2.5

c. 3

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d. 4

81. Where nonferrous gas pipe is brazed, the brazing materials shall have a melting point in excess

of ______ degrees F.

a. 500

b. 750

c. 1000

d. 1200

82. A boiler used to heat water to be used externally for other than heating is a ____.

a. Hot water heating boiler

b. Steam boiler

c. hydro heat boiler

d. hot water supply boiler

83. When a test pressure of 10 psi is required, the highest pressure on the scale of a mechanical

gauge shall not exceed _____ psi.

a. 20

b. 40

c. 50

d. 100

84. Brazing material used on gas pipe and tubing shall have a phospherus content of not more

than ______ %.

a. 15

b. 5

c. 1.5

d. .05

85. Steel gas pipe shall be at least schedule ____.

a. 20

b. 40

c. 60

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d. 80

86. An example of project overhead is____.

a. superintendent salaries

b. company advertising expense

c. general liability insurance

d. labor

87. According to the Fair Labor Standards Act, an employee earning $12.00 per hour will be paid

$_______ for a 10 hour day when his total hours worked for the week are 40.

a. $120

b. $132

c. $150

d. $240

88. When using a cash basis for accounting, ______.

a. you may change to an accrual basis if there is a tax advantage

b. you may write off bad debts

c. you may not know what has actually been earned

d. you will know what has been collected and what has been paid

89. A worker is classified as an employee if he/she _____.

a. is free to work when and for whom he/she chooses

b. Is paid by the job or a commission

c. is furnished tools equipment and materials

d. hires, supervises and pays his or her assistants

90. According to the Fair Labor Standards Act, an employee that works 40 hours for the week plus

takes an 8 hour vacation day_____.

a. will be paid time and one-half for 8 hours

b. will be paid straight time for all 48 hours

c. will be paid overtime for all 48 hours

Test 136

d. cannot be paid for vacation time

91. When a party violates an aspect of an contract agreement, they are said to have_____.

a. stopped the contract

b. breached the contract

c. broached the contract

d. committed a felony

92. Your business assets and personal assets are not separated when operating as a _____.

a. S corporation

b. sole proprietorship

c. corporation

d. shareholder

93. A company has $278.000 in assets and $192.000 in liabilities; what is the owners equity (net

worth).

a. $470,000

b. $376,000

c. $86,000

d. $76,000

94. If you annual sales are $897,200 what would your overhead be if your company has been

operating with 15% overhead?

a. $13,458

b. $134,580

c. $15,867

d. $158,670

95. If a town wishes to modify any provision of the Plumbing Code of New York State, it must be

approved by ________.

a. State Fire Prevention and Building Code Council

b. Department of State

c. Administration Task Group

Test 136

d. New York State Department of Insurance

96. A _____ does not end in the death of the principle owner(s)

a. partnership

b. sole proprietorship

c. corporation

d. non of the above

97. Comprehensive general liability insurance protects your company against claims for _____.

a. inferior product quality

b. bodily injury to non-employees

c. bodily injury to employees and non-employees

d. injury caused by your motor vehicles

98. If an employee pays $24.00 Social Security tax then the employer must pay $______ Social

Security tax for that employee.

a. $6.00

b. $12.00

c. $18.00

d. $24.00

99. An expense associated with renting equipment is_______.

a. fuel

b. depreciation

c. repairs

d. taxes

100. A corporation is obligated to pay taxes on_______

a. salaries

b. bonuses

c. dividends

d. wages

Test 136

Answer Sheet

1. d. Table 608.15.1

2. d. 916.2

3. c. Table 608.1

4. c. Table 604.3

5. a. 307.2.1

6. b. 424.1.2

7. b. 608.8.1

8. c. 705.14.2

9. d. 915.1

10. c. 607.3 ICC/ANSI

11. c. 202 def grease trap

12. a. Table 403.1

13. a. 901.2

14. a. 904.1

15. c. 605.9

16. c. 419.2 (7 X .67 = 4.69) round down to 4

17. d. 705.16.4

18. d. 607.8 ICC/ANSI

19. a. 605.10.1

20. c. 605.21.2

21. b. 422.6

22. b 712.2 exception

23. b. 502.4

24. a. Table 916.5.1

25. d. 410.1

26. b. 802.2

27. c. 917.4

28. c. 501.6

29. b Table 709.1 and Table 912.3

30. d. 604.8

Test 136

31. d. 421.2

32. b. Table 604.3

33. a. 202 definition building drain

34. b. Table 608.3

35. d. 406.3

36. c. 707.1

37. b. 202 definitions

38. b. 202 definition of conductor

39. c. 303.1 and 302.2

40. a. 310.4 exception 2

41. c. Table 709.2

42. a. 428.1

43. b. Table 709.1

44. c. 405.3.1

45. b. Table 710.1(1), 40 foot rule 916.2

46. c. 707.1

47. d. 909.1

48. c. 202 def private

49. a. 1003.4.2.1

50. b. 405.7.1

51. d. 1002.1, exception 3

52. b. Table 604.4 see footnote a

53. d. Table 702.1

54. d. 712.4.2 exception 2

55. d. Table 605.5

56. d. 910.2

57. c. 608.15.4

58. c. 604.4 ICC/ANSI

59. a. see bathroom group def (202), then Table 709.1

60. a. 202 def grease trap

61. b. 312.1.1.1

Test 136

62. d. 611.1

63. c. 911.1

64. c 202 definitions

65. b. 912.2.2

66. a. Table 608.15.1 footnote a

67. a. 425.2

68. d. 307.2.1

69. a. 308.9

70. d. 603.2 exception

71. b. definition-appliance type

72. c. 406.3.3

73. c. Table 503.4

74. b. 304.9

75. a. 403.10.4

76. c. 404.7

77. c. 503.6.9.1

78. b. 408.2

79. d. 411.1,

80. c. 304.6

81. c. 403.10.1

82. d. Definition- boiler, low pressure

83. c. 406.4

84. d. 403.10.1 and 403.10.2

85. b. 403.4.2

86. a

87. a

88. c.

89. c.

90. b.

91. b.

92. b.

Test 136

93. c.

94. b. .15 x $897,200

95. a. 105.1

96. c

97. b.

98. d.

99. a.

100. c.