SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
Search
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. What is the minimum size floor drain required where sterilizers are located?
8'
5 feet
3 inches
Outdoor - Underground.
2. Type B gas vent with 240 - 000 btu must extend ____' above roof.
3. If supply line of tank is 450 GPM then the I.D. of pipe must be at least ____ inches.
4. Except for clear-water wastes - traps shall be provided at fixtures and equipment connections where the length of indirect waste piping exceeds_____.
75'
2'; 1 1/2'
10 feet
4'
5. The test medium of a gas system shall be____.
45 - 40
Air - Nitrogen - carbon dioxide - or an inert gas
140 degrees
30'x 2
6. Underground gas piping systems shall be installed with a minimum of ____' of cover.
25'
12
3 - 525
189.3 liters
7. Soil and drain pipes located above food handling areas shall be subjected to a standing water test of not less than ____ feet.
189.3 liters
3/4 inch
D2729
25
8. The vertical distance from the fixture outlet to the trap weir shall not exceed ____.
9. Well pumps located in a basement shall have the pump and suction pipes at least ____ inches above the floor.
10. Vitrified clay pipe - (extra strength) - for use in sanitary waste & drain systems shall not be installed ____.
30'
1 1/4'
above ground - within building.
3 feet outside a building wall
11. When testing the drainage and vent system they shall be submitted to a test of ____ feet head of water for at least ____ minutes.
18 - 48
80lbs
10 - 15
24'
12. What is the maximum length for a 3' trap arm?
13. Except for clear-water wastes - traps shall be provided at fixtures and equipment connections where the length of indirect waste piping exceeds_____.
10 feet
60'
12'
10'
14. Water closet bowls intended for children's use ages 5 and younger shall be approximately ____ high.
3
#13
9 1/2'-- 10 1/2'
119.47'
4 - 513 pounds
1 1/2 '
Neutralizing Device
C). Oxygen
8'
10'
18 - 48
Within the building
3'
840
2000
1 - 060
5'
1022
2 feet
4'
135'
120 degrees to 140 degrees
2'
5'
150 psi
10 foot
100
3 feet outside a building wall
1 1/2; 12
3
3 - 525
1 1/2; 3
11
18'
3'
115 gallons
as close to the appliance a practical
1'
135'
30'x 2
30'x 2
D2729
80lbs
6
4.0
1 1/2 inch
5'
Air - Nitrogen - carbon dioxide - or an inert gas
75'
12'
9 1/2'-- 10 1/2'
2'; 1 1/2'
24'
20
Z 124.4
pitcher - chain bucket
12
3 feet outside a building wall
Burner
24
10 pipe diameters
24 inches
10 - 15
32'
100
globe valve
2 lbs.
4.0
840
.2%
14 AWG
1 - 762 gallons
26 degrees
140 degrees
12'
Z 124.4
11
24'
5
Air - Nitrogen - carbon dioxide - or an inert gas
12'
above ground - within building.
10 foot
60 lbs
30'
#13
150 psi
2-1/4 inch
condensate
'Type B' gas vents
840
1/2 hour; 500
Neutralizing Device
2-1/4 inch
16
26 degrees
13
10 1/2 inches to 13 1/2 inches
6'
3 fps
Galvanized pipe
2 lbs.
13
3
3 feet above and 10 feet horizontally
18'
1 1/4'
No.
140 degrees
189.3 liters
Manometer
12'
40
vacuum
41'
119.47'
No.
10'
1 - 060
12
2'
115 gallons
Black Water
12'
41'
above ground - within building.
10 1/2 inches to 13 1/2 inches
0.2
80lbs
120 degrees to 140 degrees
8
25'
3 - 9
30'
12'
12'
Water Service Piping
6 inches
Black Water
1 1/2; 12
1022
6
3 inch
140 degrees
air gap
240
10 feet
adequate capacity
2'
24'
150 psi
3 inch / 3 inch
24 gauge.
5
20
90 degrees to 105 degrees
adequate capacity
5 inch
3/4'
10 feet
air gap
1'
60 lbs
14 AWG
C). Oxygen
4'
7/8'
12'
1 1/2 '
12'
6 inches
3'
10
Burner
Within the building
1 1/2 inch
25
0.2
4 inches
3
18'
24
3
125
test the appliances
27 inches
80 psi
7
18
4'
140 degrees
3 feet above and 10 feet horizontally
10 - 15
3 fps
7
1 - 762 gallons
2 1/2'
5 feet
1/2 hour; 500
Underground
8 inch
32'
24'
1/4'
30'
1
45 - 40
4'
'Type B' gas vents
150 feet
150 psi
draft hood
25'
condensate
Galvanized pipe
15 - 18
8 inch
10'
5 inch
8
6'
3 inches
12'
2 feet per second
10 feet
60'
45 - 40
18
3/4 inches
1 1/2 hours
3/4 inches
10 feet
1 1/4'
2 inch
1 1/2 times working pressure
type B or L
12'
5 feet
Within the building
Outdoor - Underground.
Within the building
type B or L
A). ASTM B828-92
globe valve
80 psi
2 inch
Manometer
Water Service Piping
5
75'
4'
10 pipe diameters
1 1/4'
300'
24 inches
1/4'
2000
12'
3/4 inches
2'
50 psi
12'
pitcher - chain bucket
A). ASTM B828-92
300'
.2%
5'
3
2'; 1 1/2'
32 inches
10 feet
10'
40
30'
6'
Outdoor - Underground.
Grease Interceptors
60'
2'
3 inches
4'
10'
125
160
3/4'
20
5'
26 degrees
10 feet
1 1/2; 3
test the appliances
15
10'
24'
3 - 525
3/4 inch
draft hood
150 feet
2 1/2'
2 feet
5
50 psi
4.0
Carpet
3/4'
1 1/2 times working pressure
4'
27 inches
10'
3 inch
12'
permanently identified by labels
10
3/4 inches
10'
18 - 48
1 1/2 hours
2'
2'
3 - 9
240
7/8'
3/4'
4 - 513 pounds
Grease Interceptors
4.0
160
8'
18'
D2729
1
9 1/2'-- 10 1/2'
840
2'
189.3 liters
15
3/4 inch
24'
90 degrees to 105 degrees
vacuum
3'
20
Underground
permanently identified by labels
5'
24 gauge.
1 1/4'
16
15 - 18
25
2 feet per second
30'
as close to the appliance a practical
6'
Carpet
30'
4 inches
4'
32 inches
26 degrees
3 inch / 3 inch
15. Can a laundry tub be discharged to a trap serving a kitchen sink?
7/8'
9 1/2'-- 10 1/2'
adequate capacity
No.
16. Combination stop and waste valves shall be prohibited where?
Underground
10'
840
12'
17. The threaded portion of 1' gas pipe is ____ inches?
18. A chimney passing through a flat roof must have how much clearance above and horizontally from the chimney?
3 feet above and 10 feet horizontally
2 1/2'
1 1/2 hours
160
19. A ________ exists when pressure is less than pressure exerted by the static atmosphere?
vacuum
24'
90 degrees to 105 degrees
Grease Interceptors
20. Conductor is a storm pipe_____.
Within the building
24 inches
24'
18'
21. 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?
22. What is the minimum pressure used to test gas piping with a working pressure less than 125 psi?
1 1/2 times working pressure
10 feet
140 degrees
26 degrees
23. The exit terminals of mechanical draft systems shall be not less than ____ ' above grade where located adjacent to public walkways.
3
30'
1 - 060
7
24. What is the approximate length of threaded portion and approximate number of threads to be cut for a 3' pipe?
2 feet per second
1 1/2; 12
2 feet
32 inches
25. If the invert elevation at the first clean out on a 4' sewer is 120.25' - what would be the invert downstream at the second clean out at minimum slope of .125?
26. What is the maximum drainage fixture units permitted on a 6 inch sewer at 2% (1/4 inch) grade?
840
30'
3 feet above and 10 feet horizontally
2 lbs.
27. 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?
28. What is the maximum square foot area that a window well can drain into a foundation drain?
24'
12'
C). Oxygen
10 feet
29. Sterilzer in hospital surgical room has water waste connection must be disposed through an indirect connection to the drainage system by means of an ____.
Within the building
11
air gap
1022
30. Used - untreated water that is flushed down toilets and urinals is called ____.
Black Water
2'
120 degrees to 140 degrees
4'
31. In a hospital the minimum diameter for recess room floor drain waste trap is ____'
32. A vent stack shall be provided for drainage stacks having ____ or more branch intervals.
5
11
60'
2 feet
33. 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____'.
34. What is the maximum relief valve setting for CPVC (ASTM F441) hot water distribution?
Z 124.4
150 psi
24
14 AWG
35. What size sewer is needed for 230 Drainage Fixture Units' at 1/4' per foot grade?
36. What is the maximum length for a 3' trap arm?
37. At offsets greater than ____ degrees from vertical - a suds pressure zone shall extend ____ pipe diameters up the stack above the offset.
Galvanized pipe
8 inch
45 - 40
1 1/2 hours
38. When testing a gas system - which can not be used? A). Air. B). Nitrogen. C). Oxygen. or D). B or C?
C). Oxygen
1/2 hour; 500
3
24'
39. The test pressure on a gas system shall be no less than ____ times the proposed maximum working pressure - but not less than ____ psi.
3/4 inch
80 psi
Manometer
1 1/2; 3
40. Must be installed so that a swing check valve controls the flow of rate
45 - 40
Grease Interceptors
#13
#13
41. Plastic water supply shall use a wall sleeve not less than ____ long.
42. A sewer runs 375' long at 3% grade - how many inches is the drop?
43. What is the maximum spacing between fixtures on a continuous waste?
44. An approved pressure reducing valve shall be provided where it is required to limit the water supply pressure but shall be no more than ____ psi.
Grease Interceptors
1 1/2; 3
3 inch / 3 inch
80 psi
45. Minimum size building drain at 1/4' per foot for 45 drainage fixture units is _____.
46. Where sump pumps discharge at grade on unpaved surfaces - splash blocks at least ____ long shall be used.
10 foot
10
2 lbs.
24 inches
47. On a threaded piece of 1 1/4 inch black steel gas pipe - How many threads should be cut on the pipe?
1'
11
Carpet
vacuum
48. Light & ventilation falls under basic principle #____.
26 degrees
10 - 15
3'
16
49. What is the minimum size floor drain required where sterilizers are located?
3 inches
150 psi
7/8'
12'
50. The distance between manholes shall not exceed ___ feet.