WorksheetsChapter 09 2021 UPC
Total questions: 69
Worksheet time: 35mins
Name
Class
Date
1.
1. Vent pipes protect fixture traps against ____________________________.
a)
a. evaporation
b)
b. siphonage
c)
c. clogging
d)
d. cross-connections
2.
2. The vent system shall be designed to prevent a trap seal from being exposed to a pressure differential on the outlet side of the trap that exceeds __ inch of a water column.
a)
a. .50
b)
b. 1
c)
c. 2
d)
d. 3
3.
3. In the sketch, the primary settling tank ________________________.
a)
a. requires a backwater valve
b)
b. requires a vent pipe
c)
c. is correct as shown
d)
d. does not require a cleanout
4.
4. Under certain conditions, traps serving sinks that are part of the equipment of bars, soda fountains, and counters ____________________________.
a)
a. need not be vented
b)
b. shall be vented
c)
c. may be wet-vented
d)
d. may not be wet-vented
5.
5. ABS or PVC-DWV piping installations exposed within ducts or plenums shall be limited to a flame-spread index of not more than 25 or a smoke index of 50 except for _________________.
a)
a. two-story buildings
b)
b. structures not over three floors above grade
c)
c. the restrictions found in IS 5 & 9
d)
d. single-family homes
6.
6. Copper tube shall not be used for _____.
a)
a. chemical or industrial wastes
b)
b. water piping
c)
c. underground drainage piping
d)
d. above ground drainage piping
7.
7. Changes in direction of vent piping shalI be made by ___________________.
a)
a. heating the pipe and bending
b)
b. welded joints where possible
c)
c. threaded fittings or caulked joints
d)
d. appropriate use of fittings
8.
8. The diameter of an individual vent shalI not be Iess than __________________.
a)
a. 1-1/4 inches
b)
b. 1-1/2 inches
c)
c. 2 inches
d)
d. 3 inches
9.
9. The combination of vent pipes that will provide sufficient aggregate cross-sectional vent area for required a 4-inch house sewer is _____.
a)
a. 1 - 2 inch and 4 - 1 1/2 inch
b)
b. 2 - 2 inch and 1 - 2 1/2 inch
c)
c. 3 - 2 inch and 1 - 1 1/2 inch
d)
d. 4 - 2 inch
10.
10. The minimum size vent pipe that may serve a 4-inch trap is _____ inches.
a)
a. 1 1/4
b)
b. 1 1/2
c)
c. 2
d)
d. 4
11.
11. One factor for determining the size of a vent pipe is____________________________.
a)
a. its accessibility
b)
b. its length
c)
c. the type of building
d)
d. the price of material
12.
12. The pipe size for the continuous vent serving lavatories installed back-to-back shall be not less than ______ inch(es).
a)
a. 1
b)
b. 1-1/4
c)
c. 1-1/2
d)
d. 2
13.
13. A 2-inch vent pipe will serve a total of ____________________________.
a)
a. 14 bathtubs
b)
b. 16 showers
c)
c. 24 Iavatories
d)
d. 15 water cIosets
14.
14. The maximum horizontal length permitted for a required 2-inch vent pipe is ____________.
a)
a. 20 feet
b)
b. 40 feet
c)
c. 60 feet
d)
d. 120 feet
15.
15. Increasing vents one pipe size will___________________________.
a)
a. provide increased drainage
b)
b. allow a uniform installation
c)
c. allow vents of longer lengths
d)
d. allow vents to be shorter
16.
16. Horizontal vent pipes shall be level or so graded as to drip back by gravity to _________________.
a)
a. the main vent pipe
b)
b. the main soil stack
c)
c. the loop vent
d)
d. the drainage pipe they serve
17.
17. The acceptable method for connecting a vent pipe to a horizontal drain pipe is shown by ____________________________.
a)
a. sketch “A”
b)
b. sketches “A” and “B”
c)
c. sketch “B”
d)
d. sketches “B” and “C”
18.
18. The distance “X” in the sketch shall be at Ieast __________________.
a)
a. 1 inch
b)
b. 2 inches
c)
c. 6 inches
d)
d. 12 inches
19.
19. If, due to structural conditions, horizontal vents are less than 6 inches above the overflow rim of the fixture, the horizontal portion shall be installed with ____________________________.
a)
a. venting material and fittings
b)
b. drainage material and fittings and grade to drain
c)
c. smaller diameter piping
d)
d. larger diameter piping
20.
20. The vent pipe opening is above the weir of the trap in __________________ .
a)
a. sketch “A”
b)
b. sketch “B”
c)
c. sketch “C”
d)
d. sketches “A” and “B”
21.
21. The distance from the vent pipe opening to any vertical surface shall be at least ________________.
a)
a. 6 inches
b)
b. 12 inches
c)
c. 18 inches
d)
d. 24 inches
22.
22. Each vent pipe or stack shalI extend through its flashing and shall terminate vertically above the roof at least _____ inches.
a)
a. 6
b)
b. 12
c)
c. 18
d)
d. 24
23.
23. Where exposed to sunlight, ABS and PVC vent piping penetrating the roof shall be protected by _______.
a)
a. oil based paint
b)
b. latex based paint
c)
c. acrylic based paint
d)
d. roofing tar
24.
24. Except for alIeys and streets, vent termination from a lot line shalI not be less than _____.
a)
a. 1 foot
b)
b. 2 feet
c)
c. 3 feet
d)
d. 4 feet
25.
25. Horizontal termination of vents from any openable window, door opening, air intake or vent shaft shall be not less than ______________.
a)
a. 1 foot
b)
b. 2 feet
c)
c. 10 feet
d)
d. 12 feet
26.
26. .Vents terminating in roof areas used for sunbathing shall be extended above the roof at Ieast _______.
a)
a. 7 feet
b)
b. 10 feet
c)
c. 12 feet
d)
d. 15 feet
27.
27. Joints at the roof around vent pipes shall be made watertight by the use of ____________.
a)
a. waterproof epoxy sealer
b)
b. three Iayers 15 pound felt
c)
c. hot tar compound
d)
d. flashings
28.
28. Sheet lead used for flashings of vent terminals shall be not less than _______________________.
a)
a. 2 pounds per square foot
b)
b. 3 pounds per square foot
c)
c. 4 pounds per square foot
d)
d. 5 pounds per square foot
29.
29. Vent terminals in locations having minimum design temperatures below 0°F shall be a minimum of ________________.
a)
a. 2 inches
b)
b. 4 inches
c)
c. one pipe size larger than required
d)
d. two pipe size larger than required
30.
30. The size of the yoke vent shall be _________________.
a)
a. not less in diameter than either the drainage or the vent stack, whichever is smaller
b)
b. a minimum of 4 inches
c)
c. two pipe sizes larger than the drain line
d)
d. two pipe sizes smaller than the drain line
31.
31. Parallel vent stacks are required for drainage stacks that extend above the building drain ___________________.
a)
a. five stories or more
b)
b. 10 stories or more
c)
c. 50 feet
d)
d. 100 feet
32.
32. The parallel vent stack shall be connected to the drainage stack by means of a _____.
a)
a. circuit vent
b)
b. loop vent
c)
c. yoke vents
d)
d. continuous vents
33.
33. A drainage stack extends 14 stories above the building drain and is served by a parallel vent stack. A relief yoke vent connection between the vent stack and the drainage stack is required at ______________.
a)
a. floors 5 and 10
b)
b. floors 4 and 9
c)
c. floors 4 and 10
d)
d. floors 5 and 9
34.
34. The fitting that is required for making the yoke vent intersection with the drainage stack is a _____.
a)
a. sanitary tee
b)
b. tapped tee
c)
c. double tee branch
d)
d. wye branch
35.
35. Section A refers to __________________.
a)
a. a combination waste and vent system
b)
b. a vertical wet-venting system
c)
c. special venting for island fixtures
d)
d. an indirect waste and vent system
36.
36. The pipe section between the kitchen sink inlet and the lavatory inlet (point “A”) serves as a ____________________________.
a)
a. waste pipe for the kitchen sink
b)
b. waste pipe for the lavatory
c)
c. vent pipe for the lavatory
d)
d. branch vent for both fixtures
37.
37. In this type of installation, the diameter of the lavatory trap arm is ______________________.
a)
a. shall be increased one pipe size
b)
b. shall be increased two pipe sizes
c)
c. may be as normally required
d)
d. may be decreased one pipe size
38.
38. The total number of fixture units at point “B” is ________________.
a)
a. one unit
b)
b. two units
c)
c. three units
d)
d. four units
39.
39. Horizontal wet venting _____.
a)
a. is not permitted by the code
b)
b. shall be permitted for public bathrooms
c)
c. shall be permitted for a bathroom group located on the same floor level
d)
d. shall be a minimum 4 inches in size
40.
40. The dry vent connection to the wet vent shall be a (an) _______________
a)
a. relief vent
b)
b. yoke vent
c)
c. foot vent
d)
d. individual vent
41.
41. In a horizontal wet vent, the fixture that serves as a dry vent connection to the wet vent is a __________________.
a)
a. kitchen sink
b)
b. laundry tub
c)
c. lavatory
d)
d. bar sink
42.
42. The vent connection “B” shall be a minimum pipe size of ____________.
a)
a. 1-1/4 inch
b)
b. 1-1/2 inch
c)
c. 2 inch
d)
d. 2-1/2 inch
43.
43. A horizontal wet vent shall be not less than two inches in diameter for _____ DFU or less.
a)
a. 2
b)
b. 4
c)
c. 5
d)
d. 8
44.
44. The _____ fixture drain or trap arm connection to the wet vent shall be downstream of fixture drain or trap arm connections to the horizontal branch.
a)
a. shower
b)
b. floor drain
c)
c. water closet
d)
d. bathtub
45.
45. The fitting at “B” is a ____________________.
a)
a. 45-degree elbow
b)
b. 90-degree elbow
c)
c. 1/16 bend
d)
d. 1/8 bend
46.
46. The sketch represents ____________________________.
a)
a. reverse circuit loop venting
b)
b. continuous waste and vent
c)
c. special venting for island sinks
d)
d. combination waste and vent
47.
47. Of the following fittings, the one that would be approved at “E” is the ______________.
a)
a. 1-1/2-inch combination fitting
b)
b. 1-1/2-inch sanitary tee
c)
c. 2-inch tapped tee
d)
d. 2-inch sink tee
48.
48. The pipe section at “A ” is called a _____.
a)
a. foot vent
b)
b. yoke vent
c)
c. loop vent
d)
d. fixture vent
49.
49. The type of fitting acceptable at “D” is a __________________.
a)
a. sanitary tee
b)
b. sanitary tapped tee
c)
c. 90-degree elbow
d)
d. 90-degree sweep
50.
50. The minimum size (diameter) at “C” is _______________.
a)
a. 1-1/2 inches
b)
b. 2 inches
c)
c. 2-1/2 inches
d)
d. 3 inches
51.
51. On the combination Waste and Vent system, The vent connection “B” shall be _______________________.
a)
a. downstream of the last fixture
b)
b. within 15 feet of the fixture discharging the most total volume of waste
c)
c. downstream of the last fixture and within 15 feet of the uppermost fixture
d)
d. taken off above the centerline of the drain pipe and downstream of the trap being served
52.
52. On the combination Waste and Vent system, The maximum length for piping “C” without a vent is _______________.
a)
a. 5 feet
b)
b. 10 feet
c)
c. 15 feet
d)
d. 25 feet
53.
53. On the combination Waste and Vent system, The minimum size (diameter) for vent piping “B” shall be approximately equal to _____________.
a)
a. the cross-sectional area of the drain pipe served
b)
b. one-half the cross-sectional area of the drain pipe served
c)
c. the size of the uppermost trap
d)
d. one-half the size of the uppermost trap
54.
54. On the combination Waste and Vent system, The minimum size (diameter) tailpiece for the floor drain served by “A” is _____________.
a)
a. 1-1/2 inches
b)
b. 2 inches
c)
c. 2-1/2 inches
d)
d. 3 inches
55.
55. On the combination Waste and Vent system, The minimum size (diameter) for branch “A” is_______.
a)
a. 2 inches
b)
b. 2-1/2 inches
c)
c. 3 inches
d)
d. 4 inches
56.
56. On the combination Waste and Vent system, Long mains shall be provided with relief vents at intervals of ________________.
a)
a. 50 feet
b)
b. 75 feet
c)
c. 100 feet
d)
d. 300 feet
57.
57. From the most downstream fixture drain connection on a circuit vent to the most upstream fixture drain connection to the horizontal branch, the horizontal branch drain shall be classified as a __________ .
a)
a. combination waste
b)
b. drain
c)
c. vent stack
d)
d. drain & vent
58.
58. What is the maximum number of fixtures permitted on a circuit vent to be connected to a horizontal branch drain ? _______
a)
a. 4
b)
b. 6
c)
c. 8
d)
d. 10
59.
59. What is the minimum number of circuit vents required to vent 21 fixtures? _____ .
a)
a. 2
b)
b. 3
c)
c. 4
d)
d. 5
60.
60. What is the minimum size circuit vent? _____Inches.
a)
a. 1-1/4
b)
b. 1-1/2
c)
c. 2
d)
d. 3
61.
61. On a circuit vent, the vent section of the horizontal branch drain shall slope not more than _____inch per foot .
a)
a. 1/8
b)
b. 1/4
c)
c. 1/2
d)
d. 1
62.
62. Multiple circuit vented branches shall be permitted to connect ____ .
a)
a. on the same floor level
b)
b. on more than 2 floors
c)
c. below flood level
d)
d. on all floors above the 2nd floor
63.
63. A 2 inch relief vent shall be provided for circuit vented horizontal branches receiving the discharge of _____or more water closets.
a)
a. three
b)
b. four
c)
c. six
d)
d. eight
64.
64. Fixtures, other than circuit vented fixtures, located on the same floor as circuit-vented fixtures shall be either common vented or _____.
a)
a. individually vented
b)
b. wet vented
c)
c. island vented
d)
d. stack vented
65.
65. An engineered vent system shall be designed by and approved in accordance with Section 301.5.
a)
a. a registered design professional
b)
b. the building owner
c)
c. the plumber
d)
d. an engineer
66.
66. When circuit venting, fixtures discharging to a relief vent shall be one or two fixtures unit fixtures but shall not exceed a total of _____ fixture units.
a)
3
b)
5
c)
4
d)
6
67.
67. Under what conditions are multiple buildings allowed to ‘share’ aggregate cross-sectional venting areas to satisfy the requirements of the total vent pipe areas being not less than the area of the largest required
building sewer?
a)
a. One ownership
b)
b. Common building sewer
c)
c. Buildings occupy the same lot
d)
d. a, b, and c are all requiered
68.
68. A bathroom group is made up of:
a)
a. Water Closet, Tub/Shower and Lavatory
b)
b. Bidet, Lavatory and Shower
c)
c. Shower, Bidet and Emergency Floor Drain
d)
d. All of the above meet the definition
69.
69. When is the sidewall venting of DWV permitted?
a)
a. Weather conditions are extreme
b)
b. Sidewall venting is not permitted
c)
c. Roofing is cement tile
d)
d. Roof pitch is not less than 8/12
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