Plumbing Code Basics

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. Test duration shall not be less than ____ hour for each ____ ' of pipe volume or fraction thereof.
13
1/2 hour; 500
10
60'


2. Testing the plumbing system is principle #____.
air gap
#13
12'
2'


3. What size storm sewer is needed for a building with a roof 45 feet wide and 85 feet long at 1/8 inch slope - located in boise - Idaho?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


4. A sewage ejector or sewage pump receiving discharge of water closets or urinals shall have a minimum discharge of ____ gallons per minute.
Galvanized pipe
Water Service Piping
air gap
20


5. 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?
12'
2 inch
60 lbs
10


6. Sterilzer in hospital surgical room has water waste connection must be disposed through an indirect connection to the drainage system by means of an ____.
25'
Burner
24
air gap


7. A chimney passing through a flat roof must have how much clearance above and horizontally from the chimney?
14 AWG
pitcher - chain bucket
2 inch
3 feet above and 10 feet horizontally


8. The test pressure on a gas system shall be no less than ____ times the proposed maximum working pressure - but not less than ____ psi.
3 - 9
1 1/2; 3
Within the building
3


9. Water closet bowls intended for children's use ages 5 and younger shall be approximately ____ high.
18 - 48
1/4'
27 inches
Water Service Piping
40
5'
type B or L
10 feet
3/4 inches
Manometer
Air - Nitrogen - carbon dioxide - or an inert gas
24'
25'
14 AWG
permanently identified by labels
4 inches
Grease Interceptors
140 degrees
4 inches
Z 124.4
75'
12'
condensate
permanently identified by labels
6'
1 - 060
20
5'
2'
45 - 40
1/4'
26 degrees
6'
2000
Neutralizing Device
3 - 525
2 1/2'
12
150 psi
4'
as close to the appliance a practical
Carpet
9 1/2'-- 10 1/2'
26 degrees
8'
2-1/4 inch
Within the building
18'
Burner
45 - 40
300'
1 1/2; 3
3 inch / 3 inch
80 psi
1 1/4'
150 psi
3'
10
20
globe valve
90 degrees to 105 degrees
1 - 762 gallons
25
32 inches
840
3 - 9
160
1 1/2; 12
1 1/4'
13
10 pipe diameters
2 lbs.
14 AWG
20
Black Water
3
2 feet per second
12'
30'
16
240
24'
15 - 18
4.0
3/4 inch
4.0
10 - 15
3
30'
7/8'
8
2'
draft hood
300'
50 psi
4'
'Type B' gas vents
150 feet
160
Within the building
12'
10 feet
1 1/2; 3
vacuum
3/4'
4 - 513 pounds
10'
pitcher - chain bucket
1
7
as close to the appliance a practical
5'
air gap
60'
10 feet
1
3
3/4 inches
2'
3/4 inches
8'
12'
7
5
24
5
12'
6 inches
Underground
3
18
30'
#13
1/2 hour; 500
119.47'
C). Oxygen
3 feet above and 10 feet horizontally
Manometer
1 - 060
3 fps
18 - 48
2'
12'
A). ASTM B828-92
6
3 feet above and 10 feet horizontally
26 degrees
100
10
60 lbs
75'
140 degrees
100
5 feet
10 foot
115 gallons
135'
air gap
5 inch
80lbs
2 1/2'
1 1/2 hours
140 degrees
3 - 525
150 psi
3
1 1/2 '
10'
0.2
Air - Nitrogen - carbon dioxide - or an inert gas
4'
120 degrees to 140 degrees
30'x 2
12
2'
Neutralizing Device
18'
condensate
12'
41'
Outdoor - Underground.
2'
60'
32 inches
15
60 lbs
3/4 inches
120 degrees to 140 degrees
1 1/4'
10'
1'
Carpet
Burner
2 feet
90 degrees to 105 degrees
3 inches
18
draft hood
18'
5
50 psi
5 feet
above ground - within building.
10 - 15
3
8
30'
9 1/2'-- 10 1/2'
12'
3/4'
3 feet outside a building wall
3'
2 lbs.
27 inches
2 inch
3'
5'
7/8'
32'
#13
9 1/2'-- 10 1/2'
30'
D2729
1022
3 - 9
12'
Outdoor - Underground.
2'; 1 1/2'
150 feet
.2%
Black Water
24'
25'
12'
'Type B' gas vents
above ground - within building.
189.3 liters
20
2 feet
adequate capacity
840
3/4 inch
10'
125
16
1'
C). Oxygen
6 inches
30'
10'
6'
115 gallons
32'
3 fps
125
5'
10 pipe diameters
4'
24'
15 - 18
1 1/2; 12
10 feet
24'
type B or L
pitcher - chain bucket
4 - 513 pounds
6
24 gauge.
12'
10'
24
Within the building
Underground
24'
10 foot
2 inch
Galvanized pipe
3 inch / 3 inch
2000
8 inch
3 inch
globe valve
24 inches
1 1/2 times working pressure
24 inches
3/4'
test the appliances
2'
1 1/2 times working pressure
4.0
4'
3/4'
25
vacuum
18'
15
30'x 2
240
5
1 1/2 hours
Galvanized pipe
1 1/2 inch
Water Service Piping
4'
10 feet
119.47'
11
13
1 - 762 gallons
1022
10 1/2 inches to 13 1/2 inches
3 inches
1/2 hour; 500
840
150 psi
.2%
A). ASTM B828-92
2 feet per second
10'
2'
2-1/4 inch
80 psi
40
24 gauge.
840
3'
10'
4.0
5 inch
2'; 1 1/2'
No.
No.
4'
3 feet outside a building wall
4'
test the appliances
1 1/2 inch
12'
5'
26 degrees
6'
12'
135'
11
10 feet
1 1/2 '
D2729
Grease Interceptors
8 inch
1 1/4'
0.2
adequate capacity
41'
10 1/2 inches to 13 1/2 inches
140 degrees
189.3 liters
Within the building
12'
Z 124.4
3 inch
80lbs


10. What size sewer at 1/4 inch slope is needed for a building with 25 branch intervals each branch having 18 Drainage Fixture Units?
'Type B' gas vents
2000
5 inch
3/4'


11. Grease interceptors shall have a grease retention capacity of not less than ____ pounds for each gpm of flow.
Grease Interceptors
24 inches
30'
2 lbs.


12. When installing new gas branches ______________ installed.
12'
test the appliances
189.3 liters
10 pipe diameters


13. A vent stack shall be provided for drainage stacks having ____ or more branch intervals.
2 feet per second
5
Neutralizing Device
permanently identified by labels


14. 80 degrees F is equal to _____ degrees C.
26 degrees
Manometer
1
0.2


15. In a confined space - the upper opening supplying the combustion air to fuel burning appliance must be a maximum of ____ inches from ceiling.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


16. A chimney must pass through the roof at least ____'.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


17. The bottom of the inlet section for a sand interceptor shall be rated for flow rates up to ____ gpm.
12'
Burner
#13
20


18. What size water softener connection is required for two bathroom groups?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


19. 80 degrees F is equal to ___ degrees C ?
3/4 inches
100
24 inches
26 degrees


20. The vertical distance from the fixture outlet to the trap weir shall not exceed ____'.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


21. What is the maximum distance a 2 inch vent can be run off a 76 gallon per minute sump pump?
1 - 060
.2%
150 feet
11


22. The minimum distance from the garage floor to a gas appliance must be ____.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


23. Light & ventilation falls under basic principle #____.
10 - 15
12'
4.0
16


24. Corrosive chemicals that are discharged into the plumbing system must pass through a ____.
Neutralizing Device
12'
1 1/2; 3
20


25. What is the approximate length of threaded portion and approximate number of threads to be cut for a 3' pipe?
Z 124.4
8
24'
1 1/2; 12


26. Waste oil tanks shall have a ____' minimum pump-out connection and a ____' minimum vent to atmosphere.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


27. What is the water supply fixture units value for a domestic clothes washer in an individual dwelling unit?
draft hood
4.0
1 1/4'
Manometer


28. At offsets greater than ____ degrees from vertical - a suds pressure zone shall extend ____ pipe diameters up the stack above the offset.
45 - 40
3/4'
24
2 1/2'


29. The discharge line from the dishwasher shall be not less than _____ nominal size?
3/4 inches
12'
Underground
above ground - within building.


30. What is the maximum length for a 3' trap arm?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


31. The distance between turns - offsets - and branch connections in combination waste and vent piping shall be not less than____.
32 inches
.2%
30'
10 pipe diameters


32. What is the maximum spacing between fixtures on a continuous waste?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


33. When testing a gas system - which can not be used? A). Air. B). Nitrogen. C). Oxygen. or D). B or C?
8
75'
above ground - within building.
C). Oxygen


34. What size sewer is needed for 230 Drainage Fixture Units' at 1/4' per foot grade?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


35. Well pumps located in a basement shall have the pump and suction pipes at least ____' above the floor.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


36. What size sewer is needed for 230 dfu's at 1/4' per foot?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


37. For Rodding - clean clearances for clean outs - 3' or larger is ____.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


38. A minimum test length for a gas pipe 1 - 500 cu ft is ____.
6'
1 1/2 hours
1 1/2 inch
10'


39. Conductor is a storm pipe ____.
4.0
Within the building
160
1/2 hour; 500


40. Sump pits shall be a minimum of ____ inches in diameter and ____ inches in depth.
15 - 18
1
Z 124.4
Underground


41. Metallic drip pans shall be a minimum ____ gage.
3 - 525
24
Air - Nitrogen - carbon dioxide - or an inert gas
10


42. Initial backfill of a trench shall be backfilled to a level not less than ____ above the top of pipe.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


43. What is the maximum length you can run a 1 1/2 inch vent off a 75 gallon per minute sump pump?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


44. Rated flow velocities for grinder pump ejectors shall be not less than ____.
2 feet per second
1 1/4'
45 - 40
11


45. Lead caulked joints for cast-iron hub & spigot soil pipe shall be firmly packed with oakum or hemp & filled with molten lead not less than____'.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


46. Materials fr pvc sewer pipe & fittings installed for foundation and sub-soil drainage shall conform to ASTM ____.
140 degrees
3 feet outside a building wall
27 inches
D2729


47. 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.
1 1/4'
24'
draft hood
1


48. What is the minimum vent size on a sump serving a macerating toilet system?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


49. Must be installed so that a swing check valve controls the flow of rate
4.0
Grease Interceptors
1 1/2 inch
135'


50. What is the maximum horizontal distance between outlets on a combination fixture.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183