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
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
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
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
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
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
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.
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.
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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.
93. c. 94. b..15 x $897,200 95. a. 105.1 96. c 97. b. 98. d. 99. a. 100. c.