ICP Plumbing Exam Name: Date: Score: Carefully read each question and then circle the letter of the best answer. 1. 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 2. An 800 gallon water tank shall have a drain pipe at least in diameter. a. 1 inch b. 1-1/2 inches c. 2 inches d. 2-1/2 inches 3. The minimum allowed size of a 1/16" sloped building drain is inches. a. 1-1/4 b. 2 c. 3 d. 8 4. The minimum air gap for a fixture with an effective open of 3/4", located close to a wall is inch(s). a. 1/2 b. 2
c. 1-1/2 d. 2-1/2 5. 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 6. A water heater relief valve shall not. a. discharge on a floor b. discharge into an indirect waste receptor c. have an air cap in the discharge piuping d. have a trap in the discharge piping 7. Bedpan washers and clinical sinks shall connect to the drainage and vent system in accordance with the requirements of a. a. lavatory b. water closet c. bidet d. service sink 8. 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 9. Grab bars with a circular cross section shall have an outside diameter of inch (32 mm) minimum and 2 inches (51 mm) maximum. a. 1 b. 1-1/4
c. 1-1/2 d. 1-3/4 10. Sheet copper used for general applications shall not weigh less than. a. six ounces per square foot. b. twelve ounces per square foot c. four pounds per square foot d. four ounces per square foot 11. A drainage stack of two branch intervals receiving the discharge of 30 dfu s, shall be a minimum of inches diameter. a. 2 b. 2.5 c. 3 d. 4 12. A 4 inch copper pipe, passing through a fire-resistance-rated wall may be protected. a. by filling the annular space with concrete b. by an approved firestop system c. by either a or b d. by neither a or b 13. The strainer openings of a shower waste strainer shall be a minimum of inches. a. 1/8 b. 1/4 c. 3/8 d. 1/2 14. CPVC solvent cement shall be in color and conforming to ASTM F 493 when primer is used. a. orange b. red
c. purple d. green 15. A circuit vented branch serving four or more water closets and connecting to a drainage stack that receives the discharge from upper horizontal branches shall be provided a vent. a. individual b. relief c. common d. yoke 16. 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 17. At a velocity of 8 feet per second, a manifold serving a demand of 12 gpm must have a minimum diameter of inches. a. 1/2 b. 3/4 c. 1 d. 1-1/4 18. A pipe that makes an angle of 45 degrees is considered pipe by the code. a. horizontal b. vertical c. obtuse d. angled 19. 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 20. A factory requiring 5 drinking fountains may substitute with bottled water dispensers. a. 1 b. 2 c. 3 d. 4 21. For water service pipe, a standard for galvanized steel pipe is. a. ASTM B43 b. ASTM B 75 c. ASTM A 53 d. ASTM F 876 22. A factory bathroom with 3 water closets (1.6 gpf), 6 urinals (1gpf), five lavatories and a floor drain has how many drainage fixture units. a. 25 b. 27 c. 30 d. 31 23. Each fixture drain shall connect to the horizontal branch drain being circuit vented. a. horizontally b. vertical to horizontal c. on top of the horizontal drain d. any of the above 24. The minimum capacity of a sewage pump connected to a 2 inch discharge pipe shall be gpm. a. 21
b. 30 c. 46 d. 51 25. 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 26. Building sewers 8 inches and larger must be provided with manholes located not more than feet apart. a. 100 b. 200 c. 75 d. 400 27. According to Table 604.3 the required flow rate for a bathtub is gpm. a. 4 b. 8 c. 3 d. 5 28. The maximum discharge to a relief vent shall be dfu. a. 2 b. 4 c. 12 d. 24 29. A fixture with a 1-1/4 inch drain has drainage fixture units. a. 2
b. 4 c. 1 d. 5 30. A vent terminal shall not be located closer than feet above the top of an openable window. a. 2 b. 4 c. 6 d. 10 31. Hand operated metering faucets shall remain open for seconds minimum. a. 10 b. 15 c. 20 d. 30 32. A 1-1/2 inch "P" trap with slip joints may be used as a cleanout for a maximum inch drain pipe. a. 1-14 b. 1-1/2 c. 2 d. 2-1/2 33. A fixture with a 2 inch drain has drainage fixture units. a. 2 b. 4 c. 3 d. 5 34. Waste stacks serving more than 10 branch intervals must be provided with a relief vent, with which the upper end shall be connected to the vent stack through a wye not less than feet above the floor.
a. 1.5 b. 2 c. 3 d. 6 35. Grease interceptors shall conform to any of the following except. a. PDI G101 b. ASME A112.14.3 c. ASME A112.14.4 d. NSF 1020 36. A cast iron mechanical joint coupling for hubless pipe and fittings shall comply with. a. CISP 310 or ASTM C1277 b. ASTM C564 or CAN/CSA B602 c. ASTM C 310 d. ASME A 1053 37. A hose connection vacuum breaker 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 38. Plastic water service pipe shall terminate within feet inside of the point where the pipe penetrates an exterior wall or slab on grade. a. 2 b. 5 c. 8 d. 10 39. PVC primer must be in color. a. red
b. green c. purple d. yellow 40. Pipe applied vacuum breakers shall be installed not less than inches above the flood level rim of the fixture served. a. 2 b. 4 c. 6 d. 8 41. Floor drains are not require in. a. commercial kitchens b. public restrooms c. second floor condominiums units d. public coin operated laundries 42. 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 43. Condensate piping of condensing appliances shall maintain a minimum horizontal slope of not less than unit vertical in twelve units horizontal. a. 1/8 b. 1/6 c. 1/4 d. 1/2 44. Shower and tub-shower combination valves and master thermostatic mixing valves shall be equipped with a means to limit the maximum setting of the valve to degrees F. a. 110
b. 115 c. 120 d. 140 45. Commercial food grinders shall conform to. a. ASSE 1009 b. ASSE 1008 c. ASTM 502 d. ASTM 502-A 46. A gravity sewer test must maintain 10 foot of head for minutes. a. 10 b. 5 c. 15 d. 30 47. When a bathtub outlet is not used with a shower, the shower waste outlet strainer must have a minimum diameter of inches. a. 1-1/2 b. 2 c. 2-1/2 d. 3 48. The space between the wall and the grab bar shall be inches. a. 1-1/2 b. 1-3/4 c. 2 d. 2-1/4 49. The minimum size fixture water supply pipe for an flush valve urinal is. a. 1/2" b. 3/4"
c. 1" d. 1-1/4" 50. 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 51. A shower compartment with one side 30 inches shall not be less than inches on the adjacent side. a. 24 b. 36 c. 32 d. 30 52. The front of accessible lavatories and sinks shall be inches (865 mm) maximum above the floor, measured to the higher of the rim or counter surface. a. 30 b. 31 c. 32 d. 34 53. According to Table 604.3 the required water pressure for a temperature controlled shower is psi. a. 25 b. 8 c. 15 d. 20 54. The maximum allowable temperature of wastewater discharged into a sewer is. a. 100
b. 120 c. 140 d. 160 55. 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 56. 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 57. A stack vent handling 125 dfu s with a developed length of 35 feet shall be inches minimum diameter. a. 2 b. 2.5 c. 3 d. 4 58. The water supply connection to a beverage dispenser must be protected by a/an. a. backflow preventer conforming to ASSE 1022 b. an air gap c. either a or b d. beverage dispensers do not require backflow prevention 59. A branch vent, 50 feet in developed length, serving a 3" drain, must be at least inches in diameter. a. 1-1/2
b. 2 c. 2-1/2 d. 3 60. Where a vent stack connects to a 4" building drain, the connection shall be located downstream of the drainage stack and within a distance of of the drainage stack. a. 3 feet b. 40 inches c. 4 feet d. 24 inches 61. Plumbing fixtures are. a. required to be third party certified b. required to be third party tested c. not required to be third party certified d. not required to be third party tested 62. A circuit vent shall vent a maximum of traps. a. 2 b. 4 c. 6 d. 8 63. Shower linings shall turn up on all sides at least inches above the finished threshold. a. 1 b. 1.5 c. 2 d. 2.25 64. The minimum size fixture supply pipe, 40 feet from a manifold @ 40 psi, for a single shower head is. a. 3/8"
b. 1/2" c. 3/4" d. 5/8" 65. 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 66. Solder used on copper shall conform to. a. ASTM F 80 b. ASTM S 75 c. ASTM B 32 d. ASTM M 55 67. Outdoor enclosures for backflow prevention devices shall comply with. a. ASSE 1056 b. ASSE 1045 c. ASSE 1055 d. ASSE 1046 68. An indirect waste pipe that exceeds feet in total developed length must be trapped. a. 1.5 b. 2 c. 3 d. 4 69. Subsoil drainage components are. a. required to be third party certified b. required to be third party tested c. not required to be third party certified
d. not required to be third party tested 70. A 20 ft. length of pipe with slope per foot of 1/4" will produce a drop of inches. a. 3 b. 4 c. 5 d. 6 71. Copper and brass pipe shall not be used if it contains more than an average of grains of hydrogen sulfide per 110 standard cubic feet of gas. a..3 b..03 c. 3 d..003 72. Except for decorative appliances, an equipment shutoff valve shall be located within feet of the appliance. a. 2 b. 4 c. 6 d. 8 73. Unless otherwise approved, threaded fitting larger than inches shall not be used for gas piping. a. 4 b. 3 c. 5 d. 2.5 74. Adding height to a vent. a. increases the vent capacity b. decreases the vent capacity c. does not affect the vent capacity
d. will cause the appliance to back draft 75. A 1 inch diameter iron gas pipe shall be threaded with approximately threads. a. 8 b. 9 c. 10 d. 12 76. Using CSST, 2 psi natural gas, 1.0 pressure drop,.60 specific gravity, what is the minimum pipe size for a 199,000 gas water heater located 100 away from the meter. a. 13 b. 15 c. 18 d. 19 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. The maximum design operating pressure for gas piping systems located inside a residence shall nor exceed psi unless the piping system is welded or in a ventilated chase. a. 1/2 b. 2 c. 5 d. 10 79. A 2 inch diameter iron gas pipe shall have approximately inche(s) threaded. a. 3/4 b. 7/8 c. 1
d. 1-1/2 80. The slope of a vent connector shall be upward at least inch per foot. a. 1/16 b. 1/8 c. 1/4 d. 1/2 81. The minimum test pressure for a specific gas piping system is times the working pressure a. 1-1/2 b. 2 c. 2-1/2 d. 3 82. A 3/4 steel gas pipe shall be supported at intervals not exceeding feet. a. 4 b. 5 c. 6 d. 8 83. 1/2 gas tubing shall be supported at intervals not exceeding feet. a. 4 b. 5 c. 6 d. 8 84. Screens over combustion air openings shall have a mesh size not less than inch. a. 1/8 b. 1/16 c. 1/4 d. 1/2
85. A btu equals the amount of heat required to raise the temperature of one lb. of water one degree F, therefore btu s are required to raise 10 lbs. water 60 degrees F. a. 60 b. 6 c. 600 d. 6000 86. An employee must complete a form to claim federal income tax withholding allowances. a. 941 b. 1040 c. I-9 d. W-4 87. A water heater costs $400, tax is 8%, labor is $180 and overhead is 15%. What is the sales price needed to make 30% profit? a. $1113 b. $887 c. $841 d. $796 88. The minimum age for hazardous occupations is. a. 16 b. 17 c. 18 d. 21 89. Which of the following is not a current asset? a. prepaid insurance b. cash c. building d. accounts receivable
90. An employee works 46 hours for the week, his straight time pay is $12.50/hour. What is his gross pay? a. $575.00 b. $612.50 c. $460.00 d. $550.25 91. The employee must pay 6.2% Social Security Tax, therefore the amount of SS tax withheld on a gross pay of $672.00 would be $ a. $41.66 b. $4.17 c. $416.66 d. $4166.00 92. Employers are required by law to. a. pay overtime for time worked over 40 hour per week b. provide lunch breaks c. limit the number of hours worked d. provide rest periods 93. How much is saved when a 1.5% discount is taken on a $23,678 invoice? a. $3.55 b. $35.17 c. $355.17 d. $3551.70 94. If the yearly fuel cost to operate a water heater with an overall efficiency of 60% is $500 what would the savings be using an 80% efficient water heater? a. $125 b. $100 c. $80 d. $75
95. protects your business against loss due to fire, theft or weather related incidents. a. Property insurance b. Comprehensive insurance c. Life insurance d. vehicle insurance 96. Disabilities covered by the Americans with Disabilities Act include all the disabilities below except. a. hearing b. seeing c. breathing d. broken bones 97. A company has annual sales of $850,000 with $230,000 overhead. What is the percent overhead? a. 27% b. 32% c. 37% d. 18% 98. In order to cover employee bonuses totaling $45,000, how much more revenue is needed if your company is earning an average 20% gross profit? a. $90,000 b. $180.000 c. $250.000 d. $225,000 99. A water heater costs $475, tax is 8%, labor is $180 and overhead is 15%. What is the sales price needed to make 30% profit? a. $1113 b. $1260 c. $841 d. $796
100. A federal ID number (EIN) is required by al businesses except. a. a sole proprietor ship with no employees b. a partnership with no employees c. an S corporation d. a corporation with no employees
Answer Sheet 1. a. Table 608.15.1 footnote a 2. b. Table 606.5.7 3. d. Table 710.1(10 4. d. Table 608.15.1 5. c. 405.3.1 6. d. 504.6.1 7. b. 713.2 8. a. 307.2.1 9. b. 609.2.1 ICC/ANSI 10. b. 402.3 11. c. Table 710.1(2) 12. c. 307.2.3.1, exception 1 and 307.3.2.1.2 13. b. 417.3 14. a. 605.16.2 15. b. 911.4 16. b. 202 definition of conductor 17. c. Table 604.10.1 18. b. def horizontal pipe "less than" 19. d. 915.1 20. b. 410 21. c. Table 605.3 22. d. Table 709.1 23. a. 911.1 24. a. Table 712.4.2 25. d. Table 608.15.1 26. d. 708.3.2 27. a. Table 604.3 28. b. 911.4.2 29. c. Table 709.2 30. a. 904.5
31. a. 606.4 ICC/ANSI 32. c 708.7 exception 1 33. c. Table 709.2 34. c. 914.2 35. d. 1003.3.4 36. a. 705.5.3 37. c. Table 608.1 38. b. 605.3 39. c. 605.21.2 40. c. 608.15.4 41. c. 412.4 42. b. Table 604.4 see footnote a 43. a. 314.1 44. c. 424.3 45. a. 413.1 46. c. 312.6 47. d. 417.3 48. a. 609.3 ICC/ANSI 49. b. Table 604.5 50. d. 916.2 51. d. 417.4 52. d. 606.3 ICC/ANSI 53. d. Table 604.3 54. c. 701.7 55. c. 705.14.2 56. c. 607.3 ICC/ANSI 57. b. Table 916.1 58. c. 608.16.1 59. b. Add 1/2 pipe size when over 40 feet 60. b. 903.4 61. b. Table 303.4
62. d. 202 definition of circuit vent 63. c. 417.5.2 64. a. Table 604.5 footnote a 65. a. Table 916.5.1 66. c. 605.14.3 67. c. 608.14.1 68. d. 802.2 69. b. Table 303.4 70. c. 71. a. 403.4.3 72. c. 409.5 73. a. 403.10.4 74. a. study vent Tables 75. c. Table 403.9.2 76. b. Table 402.4(17) 77. c. 503.6.9.1 78. c. 79. c. Table 403.9.2 80. c. 503.10.8 81. a. 406.4.1 82. d. Table 415.1 83. a. Table 415.1 84. c. 304.10 85. c. 86. d. 87. a. Profit and overhead are expressed as percentages of cost (15%+30%= 45%, Total cost = $612, sales price = total cost/(100%-% needed to cover profit and overhead) 88. c. 89. c. 90. b. 91. a
92. a. 93. c. 94. a. (60/80) x 500 = 375, 500-375=125 95. a. 96. d. 97. a. 230000/850000=27 98. d. 45,000/.20=225,000 99. a. Profit and overhead are expressed as percentages of cost (15%+30%= 45%, Total cost = $693, sales price = total cost/(100%- Minus % needed to cover profit and overhead),693/.55=1260 100. a