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Test your basic knowledge |
Plumbing Code Basics
Start Test
Study First
Subjects
:
industries
,
plumbing
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Mechanically formed tee fittings shall have depth stops provided ____ above the dimple that acts as a depth stop.
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2. What size gas pipe is required for a 0.5 psi. gas pressure and a pressure drop of 0.5 inch water column 50 feet in length - serving 150 - 000 btu's?
3
12'
Neutralizing Device
3/4 inch
3. Is used to measure gas pressure.
#13
2-1/4 inch
10'
Manometer
4. What is the maximum distance a 2 inch vent can be run off a 76 gallon per minute sump pump?
12'
150 feet
16
90 degrees to 105 degrees
5. Joints for potable water used in copper shall be made with a solder containing not more than ___% lead.
1 1/2 times working pressure
#13
0.2
2 lbs.
6. In a hospital the minimum diameter for recess room floor drain waste trap is ____'
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7. A ________ exists when pressure is less than pressure exerted by the static atmosphere?
10
5
vacuum
13
8. The minimum distance from the garage floor to a gas appliance must be ____.
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9. What is the maximum horizontal distance between outlets on a combination fixture.
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10. Pressure tanks & vessels shall be durable material & constructed to withstand ____ psig.
5 feet
condensate
125
18 - 48
11. If supply line of tank is 450 GPM then the I.D. of pipe must be at least ____ inches.
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12. No ____ or ____ pumps shall be installed on any potable water supply.
1 1/4'
Within the building
10 foot
pitcher - chain bucket
13. In a night club which holds 150 people - how many lavatories are needed in the woman's restroom?
2'; 1 1/2'
1 1/2; 3
3
840
14. The building drain discharges soil & waste from the building & conveys it to the building sewer beginning ____ outside the building wall.
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15. Sterilzer in hospital surgical room has water waste connection must be disposed through an indirect connection to the drainage system by means of an ____.
4'
60'
140 degrees
air gap
16. Flexible plastic tubing shall be supported horizontal every____ inches.
6'
20
32 inches
75'
17. Gas piping shall be sloped not less than 1/4 inch in ____ feet
2'
15
permanently identified by labels
4 - 513 pounds
18. Can a laundry tub be discharged to a trap serving a kitchen sink?
adequate capacity
3
12'
No.
19. Torque wrenches are set to release at ____ lbs.
60 lbs
5 feet
240
'Type B' gas vents
20. Type B gas vent with 240 - 000 btu must extend ____' above roof.
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21. Sewer or drain pipes ran overhead where food or drink shall be stored shall be subjected to a standing water test of not less than ____'.
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22. In a single dwelling unit - up to ___ bathroom groups shall be permitted where the water closets are 1.6 gallons per flush or less.
4'
1/2 hour; 500
12'
6
23. Plastic water supply shall use a wall sleeve not less than ____ long.
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24. What is the maximum square foot area that a window well can drain into a foundation drain?
10 feet
1 1/2 times working pressure
1 1/2 times working pressure
10'
25. What is the minimum discharge pipe size for a grinder pump which discharges 45gpm?
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26. The device for final conveyance of the gas air to the combustion zone is called a ____.
12'
Manometer
30'
Burner
27. The temperature of tempered water shall be not less than ____ and not more than____?
18
90 degrees to 105 degrees
12'
1 1/2 inch
28. Well pumps located in a basement shall have the pump and suction pipes at least ____ inches above the floor.
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29. Metallic drip pans shall be a minimum ____ gauge.
4.0
24 gauge.
Galvanized pipe
2 inch
30. Where a vent terminal is within 10 feet horizontally of a ventilation opening it shall be at least ____ feet above the top of the opening.
10'
12'
2 feet
Galvanized pipe
31. Joints for potable water used in copper shall be made with a solder containing not more than____ % lead.
.2%
11
15
2 inch
32. Must be installed so that a swing check valve controls the flow of rate
Grease Interceptors
as close to the appliance a practical
1022
3 fps
33. At offsets greater than ____ degrees from vertical - a suds pressure zone shall extend ____ pipe diameters up the stack above the offset.
115 gallons
14 AWG
45 - 40
1022
34. What is the maximum length for a 3' trap arm?
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35. The discharge line from the dishwasher shall be not less than _____ nominal size?
5 inch
3
3/4 inches
#13
36. What is the maximum spacing between fixtures on a continuous waste?
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37. Corrosive chemicals that are discharged into the plumbing system must pass through a ____.
3/4 inches
2 feet per second
Neutralizing Device
10'
38. An air conditioning condensate pump which discharges 8 gpm would require a ____ inch horizontal drain.
3
.2%
vacuum
3 - 9
39. A vent stack shall be provided for drainage stacks having ____ or more branch intervals.
5
Black Water
10
12'
40. Grease interceptors shall have a grease retention capacity of not less than ____ pounds for each gpm of flow.
50 psi
25
3 inch
2 lbs.
41. What's the maximum dfu's permitted on a 6' sewer at 1/4' per foot?
840
90 degrees to 105 degrees
Underground
140 degrees
42. What size soil stack is needed for a building with 25 branch intervals each branch having 18 Drainage fixture units?
Neutralizing Device
4 inches
12'
15
43. A _____________ offers maximum resistance to flow of water while 45 degree elbow offers the least?
Within the building
25'
0.2
globe valve
44. Potable hot water shall be at a temperature of not less than ____ and not more than_____.
Within the building
120 degrees to 140 degrees
16
3 feet outside a building wall
45. Metered bends can only be used in gas piping system if the pressure is a maximum of ____ psi.
10 pipe diameters
50 psi
119.47'
6 inches
46. The test pressure on a gas system shall be no less than ____ times the proposed maximum working pressure - but not less than ____ psi.
1 1/2; 3
No.
No.
10
47. Vacuum breakers for bed pan washers shall be not less than ____ above the floor.
2'
#13
Air - Nitrogen - carbon dioxide - or an inert gas
5 feet
48. What is the minimum drain size required to receive the discharge from a 3/4 inch Temperature and Pressure Valve from an 85 gallon hot water heater?
5 inch
2 inch
4.0
150 feet
49. 1/2' steel pipe must be supported every ____'.
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50. The water supply to a carbonated beverage dispenser shall be protected against back flow by means of a ASSE #____.
condensate
45 - 40
1022
.2%