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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. Minimum size building drain at 1/4' per foot for 45 drainage fixture units is _____.
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2. Waste drainage from condensers or steam traps shall be cooled below ____ before being discharged indirectly into the sanitary drainage system.
4 - 513 pounds
5'
140 degrees
4 - 513 pounds
3. What size sewer at 1/4 inch slope is needed for a building with 25 branch intervals each branch having 18 Drainage Fixture Units?
12'
3
5 inch
2'
4. A _____________ offers maximum resistance to flow of water while 45 degree elbow offers the least?
6
3 - 525
8 inch
globe valve
5. Torque wrenches are set to release at ____ lbs.
13
20
4.0
60 lbs
6. A sewer runs 375' long at 3% grade - how many inches is the drop?
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7. Each trailer site shall be provided with a ____ ips male or female threaded connection - extended above grade - from a ____ minimum size vented p-trap.
18
Within the building
3 inch / 3 inch
30'
8. What size pipe is needed for a combination waste and vent stack with a total of 400 drainage fixture units at 1/4 inch per foot slope?
8 inch
1 1/4'
adequate capacity
Z 124.4
9. The bottom of the inlet section for a sand interceptor shall be rated for flow rates up to ____ gpm.
125
20
1 - 060
Within the building
10. In a confined space - the upper opening supplying the combustion air to fuel burning appliance must be a maximum of ____ inches from ceiling.
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11. ABS plastic pipes - schedule 40 or 80 May be used in which potable water installation?
3
Water Service Piping
24'
840
12. Plastic water supply shall use a wall sleeve not less than ____ long.
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13. Can a laundry tub be discharged to a trap serving a kitchen sink?
1/4'
75'
24 inches
No.
14. What size water softener connection is required for two bathroom groups?
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15. What is the approximate length of threaded portion and approximate number of threads to be cut for a 3' pipe?
1 1/2; 12
6
189.3 liters
10 feet
16. Testing the plumbing system is basic principle # ____.
type B or L
240
13
pitcher - chain bucket
17. Where sump pumps for a foundation drain are installed - the minimum discharge pipe from sump is ____'.
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18. What is the maximum relief valve setting for cpvc (astm f441) hot water distribution?
12
300'
135'
150 psi
19. The water supply to a carbonated beverage dispenser shall be protected against back flow by means of a ASSE #____.
1022
2 1/2'
1 - 762 gallons
A). ASTM B828-92
20. Where sump pumps discharge at grade on unpaved surfaces - splash blocks at least ____ long shall be used.
90 degrees to 105 degrees
10'
4'
24 inches
21. What is the approximate length of threaded portion and approximate number of threads to be cut for a 3' pipe?
1 1/2; 12
24'
3/4 inches
2 1/2'
22. 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?
permanently identified by labels
3/4 inch
air gap
12'
23. What size water softener connection is required for two bathroom groups?
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24. May be used for distribution of hot potable water
1 1/4'
Galvanized pipe
3'
3 inch
25. What shall be the depth of lead required for a 3 inch cast-iron water pipe - bell and spigot?
Grease Interceptors
1 1/4'
2-1/4 inch
10'
26. 150 - 000 btu/h category 1 fan assisted appliance with vertical run of 20' and a lateral run of 20' minimum vent using diameter of allow using type B wall vent is ____'.
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27. When testing the drainage and vent system they shall be submitted to a test of ____ feet head of water for at least ____ minutes.
140 degrees
9 1/2'-- 10 1/2'
10 - 15
140 degrees
28. 80 degrees F is equal to ___ degrees C ?
26 degrees
24'
1 1/2 inch
3 - 525
29. Waste oil tanks shall have a ____' minimum pump-out connection and a ____' minimum vent to atmosphere.
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30. Conductor is a storm pipe_____.
1/2 hour; 500
10'
Within the building
12'
31. The test pressure on a gas system shall be no less than ____ times the proposed maximum working pressure - but not less than ____ psi.
6'
12'
1 1/2; 3
10 pipe diameters
32. Vent connector located and serving appliances in an attic shall be ________ vent.
1/4'
type B or L
24
3
33. Oil interceptors - waste oil tanks - oil pump-out connection - backwater valves - and atmospheric vent piping shall be?
30'
2 inch
24'
permanently identified by labels
34. Metallic drip pans shall be a minimum ____ gage.
24
10'
3/4 inches
10 foot
35. When testing the drainage and vent system they shall be submitted to a test of ____ feet head of water for at least ____ minutes.
15
2000
5 feet
10 - 15
36. Where sump pumps discharge at grade on unpaved surfaces - splash blocks at least ____ long shall be used.
2'
6'
1 - 762 gallons
24 inches
37. Conductor is a storm pipe ____.
4.0
.2%
10
Within the building
38. What is the maximum distance a 2 inch vent can be run off a 76 gallon per minute sump pump?
3
119.47'
150 feet
12'
39. Joints for potable water used in copper shall be made with a solder containing not more than ___% lead.
0.2
80lbs
3 - 9
No.
40. Grease interceptors shall have a grease retention capacity of not less than ____ pounds for each gpm of flow.
160
4.0
2 lbs.
2'
41. If gas equipment is not provided with a _____________ - the device must be attached to the equipments' flue collar or as near to the equipment as practical.
140 degrees
24'
draft hood
189.3 liters
42. When connecting additional gas pipe - check for...
12'
Z 124.4
Galvanized pipe
adequate capacity
43. What size drain pipe is needed to receive the discharge from 2 lavatories - 1 bidet - and 1 drinking fountain?
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44. What shall be the depth of lead required for a 3 inch cast-iron water pipe - bell and spigot?
2-1/4 inch
20
15 - 18
air gap
45. When impractical to pipe the water from a foundation drain to a storm drain - it may discharge to an open area ____' away from property line.
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46. A 3' horizontal drain at a 1/4' per foot grade would have a discharge velocity of ____.
10'
5
3 fps
13
47. Appliances shall not be installed on ____ unless the appliances are list for such installation.
3/4 inches
Carpet
45 - 40
1 1/4'
48. Mechanically formed tee fittings shall have depth stops provided ____ above the dimple that acts as a depth stop.
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49. How many water closets are needed for females in an office building with 200 people?
5
1
6 inches
vacuum
50. Conductor is a storm pipe ____.
1 1/2 hours
Galvanized pipe
1 1/2 inch
Within the building