WorksheetsChapter 10 2021 UPC
Total questions: 44
Worksheet time: 22mins
Name
Class
Date
1.
1. Each plumbing fixture, except for those having integral traps, shall be __________________________.
a)
a. separately trapped by an approved water seal trap
b)
b. drained by means of an indirect waste line
c)
c. connected directly to the building drain without a trap
d)
d. illegal and should not be used
2.
2. One trap may serve a set of not more than _____ single compartment sinks.
a)
a. two
b)
b. one
c)
c. three
d)
d. four
3.
3. The maximum vertical distance for a tailpiece allowed between a fixture and the trap weir is _____.
a)
a. 6 inches
b)
b. 12 inches
c)
c. 18 inches
d)
d. 24 inches
4.
4. A food waste disposal unit installed in restaurant, commercial, or industrial sinks _____.
a)
a. may share a common trap
b)
b. must be separately trapped
c)
c. should be indirectly wasted
d)
d. need not be trapped
5.
5. Each plumbing fixture trap shall be protected against siphonage and backpressure by a ___________.
a)
a. sanitary tee
b)
b. vent pipe
c)
c. air admittance device
d)
d. backflow preventer
6.
6. The developed length of a 2” trap arm, from the trap weir to the inner edge of the vent shall not exceed _____ feet.
a)
a. 3
b)
b. 5
c)
c. 6
d)
d. 10
7.
7. The vent pipe opening from a soil or waste pipe, except for water closets and similar fixtures, __________________________.
a)
a. may be below the trap weir
b)
b. shall not be below the weir of the trap
c)
c. must be below the weir of the trap
d)
d. does not need a vent
8.
8. Each trap, except for traps within interceptors or similar devices, __________________________.
a)
a. shall be self-cleaning
b)
b. shall be one pipe size smaller than the fixture outlet
c)
c. shall have a cleanout on the bottom of the trap
d)
d. need not be vented
9.
9. Listed _________ may be used to connect listed metal tubing traps.
a)
a. male adapters
b)
b. female adapters
c)
c. PEX adapters
d)
d. plastic adapters
10.
10. No more than _____ approved slip joint fitting(s) may be used on the outlet side of a trap.
a)
a. one
b)
b. two
c)
c. three
d)
d. four
11.
11. The size of the trap connected to a fixture shall be sufficient to drain the fixture rapidly but _____.
a)
a. in no case smaller than the fixture drain
b)
b. not more than one size larger than the fixture drain
c)
c. may be the same size as the trap arm to which it is connected
d)
d. all of these answers
12.
12. No trap shall be used that __________________________.
a)
a. depends on movable parts for its seal
b)
b. has concealed interior partitions
c)
c. is classed as an S-trap or bell trap
d)
d. all of these answers
13.
13. Each fixture trap shall have a water seal of __________________________.
a)
a. not less than 2 inches
b)
b. not more than 4 inches
c)
c. not less than 2 inches and not more than 4 inches
d)
d. none of the above
14.
14. Floor drains shall connect into a trap so constructed that it can be _____.
a)
a. accessible
b)
b. easily removed
c)
c. readily cleaned
d)
d. none of these answers
15.
15. Floor drains or similar traps directly connected to the drainage system and subject to infrequent use shall be ________________________________________.
a)
a. primed weekly, except when not deemed necessary by the Authority Having Jurisdiction
b)
b. covered when not in use, except when not deemed necessary by the Authority Having Jurisdiction
c)
c. protected with an accessible trap seal primer, except when not deemed necessary by the Authority Having Jurisdiction
d)
d. prohibited
16.
16. Each building trap when installed shall be provided with ______________________.
a)
a. a cleanout
b)
b. a relieving vent or fresh air intake on the inlet side of the trap
c)
c. a relieving vent or fresh air intake on the inlet side of the trap and a cleanout
d)
d. none of the above
17.
17. Interceptors shall be provided when, in the judgment of the Authority Having Jurisdiction, they are necessary for the proper handling of liquid wastes containing _____.
a)
a. grease and flammable wastes
b)
b. sand and/or solids
c)
c. acid or alkaline substances
d)
d. all of these answers
18.
18. Interceptors for sand and similar heavy solids shall have a water seal of not less than ________.
a)
a. 4 inches
b)
b. 6 inches
c)
c. 8 inches
d)
d. 10 inches
19.
19. Interceptors shall _____________________.
a)
a. be properly vented
b)
b. have covers that are readily accessible for service and maintenance
c)
c. be placed aboveground
d)
d. be properly vented and have covers that are readily accessible for service and maintenance
20.
20. Every public or private wash rack and floor or slab used for cleaning machinery or machine parts shall _____.
a)
a. be adequately protected against storm or surface water
b)
b. drain or discharge into the main sewer system
c)
c. drain or discharge into an approved interceptor
d)
d. drain or discharge into an approved interceptor and be adequately protected against storm or surface water
21.
21. Laundry equipment that does not have integral strainers shall discharge into an interceptor having a wire basket or similar device that will prevent the passing of solids _____ or larger in maximum dimension.
a)
a. 1/4 inch
b)
b. 1/8 inch
c)
c. 1/2 inch
d)
d. 3/4 inch
22.
22. Water closets and urinals shall _____________ into or through a grease interceptor.
a)
a. drain
b)
b. directly connect
c)
c. indirectly connect
d)
d. not drain
23.
23. Each fixture discharging into a gravity grease interceptor shall be __________________________.
a)
a. in the same room
b)
b. individually trapped and vented
c)
c. readily accessible
d)
d. approved for that use
24.
24. If the Authority Having Jurisdiction determines that a grease interceptor is not being properly cleaned, the Authority Having Jurisdiction has the authority to mandate _________________.
a)
a. hiring more employees
b)
b. firing the manager
c)
c. a maintenance program
d)
d. less grease to be used
25.
25. Each plumbing fixture connected to a type A and B hydromechanical grease interceptor shall be provided with a ________________.
a)
a. vent terminating to the atmosphere inside the building (turndown with screen)
b)
b. vented flow control device
c)
c. gate valve
d)
d. removable cover
26.
26. The total capacity in gallons of fixtures discharging into any hydromechanical grease interceptor shall not exceed _____ times the certified GPM flow rate.
a)
a. 1-1/2
b)
b. 2
c)
c. 2-1/2
d)
d. 3
27.
27. A _____ shall be installed downstream of hydromechanical grease interceptor in accordance with the requirements of this code.
a)
a. check valve
b)
b. vent
c)
c. backflow preventer
d)
d. filter
28.
28. Grease interceptors shall at all times be __________ for inspection, cleaning and removal of grease.
a)
a. easily accessible
b)
b. labeled with instructions
c)
c. documented by the manufacturer
d)
d. open
29.
29. Gravity grease interceptors shall not be installed in any part of the building where ____________.
a)
a. laundry is handled
b)
b. food is handled
c)
c. there is public access
d)
d. the fixture served is on the second floor
30.
30. Gravity grease interceptors shall be placed as close as practical to the __________________.
a)
a. fixtures they serve
b)
b. soil pipe
c)
c. system vents
d)
d. egress doors
31.
31. It is recommended that a ______________ be located at the outlet end of all gravity grease interceptors.
a)
a. pH monitor
b)
b. CO2 monitor
c)
c. sight glass
d)
d. sample box
32.
32. The volume of the gravity interceptor shall be determined by using _________.
a)
a. Table 1014.2.1
b)
b. Table 703.2
c)
c. Table 1014.3.6
d)
d. Table 702.3
33.
33. The Authority Having Jurisdiction has mandated grease pretreatment for the following fixtures: four non-emergency floor drains, two commercial food prep sinks, one service sink with a 3-inch trap, and two dishwashers discharging 20 gallons per minute each. The minimum size gravity grease interceptor in gallons required shall be _____.
a)
a. 500
b)
b. 750
c)
c. 1,000
d)
d. 1,250
34.
34. Abandoned grease interceptors shall be _______________ and _____________ as required for abandoned sewers and sewage disposal facilities.
a)
a. broke up, removed
b)
b. pumped, filled
c)
c. painted, sealed
d)
d. cleaned, reused
35.
35. Sand interceptors shall be required _____________________________.
a)
a. whenever the discharge of a fixture or drain may contain solids or semi solids heavier than water that would be harmful to the drainage system
b)
b. whenever the Authority Having Jurisdiction deems it advisable to protect the drainage system
c)
c. whenever the Authority Having Jurisdiction deems it advisable to protect the drainage system and whenever the discharge of a fixture or drain may contain solids or semi solids heavier than water that would be harmful to the drainage system
d)
d. none of the above
36.
36. The sand interceptor shall have a minimum dimension of _____ square feet for the net free opening of the inlet section and a minimum depth under the invert of the outlet pipe of _____ feet.
a)
a. 1-1/2, 1-1/2
b)
b. 2-1/2, 2-1/2
c)
c. 2, 2
d)
d. 3, 3
37.
37. Sand and similar interceptors shall have a water seal of not less than _____ inches.
a)
a. 4
b)
b. 6
c)
c. 8
d)
d. 10
38.
38. Repair garages and gas stations with grease racks or grease pits and all factories that have oily and/or flammable wastes shall be provided with an oil or flammable liquid interceptor that shall _____.
a)
a. be connected to necessary floor drains
b)
b. have a separation or vapor compartment independently vented to the outer air
c)
c. have a flammable vapor vent not less than 2 inches
d)
d. all of these answers
39.
39. Oil and flammable liquid interceptors not rated by the manufacturer shall have a depth of not less than ____ feet below the invert of the discharge drain and an outlet opening with not less than _____ inch water seal.
a)
a. 1-1/2, 12
b)
b. 2, 18
c)
c. 2-1/2, 24
d)
d. 3, 36
40.
40. A trap arm smaller than 3 inches may change direction without a cleanout if the change in direction does not exceed _____.
a)
30 degrees
b)
45 degrees
c)
90 degrees
d)
180 degrees
41.
41. What is the proper size of a gravity grease interceptor serving a commercial kitchen containing the following?
2 - Commercial sinks with food waste
1 - Commercial food waste disposer
5 - Floor sinks receiving indirect waste flow rates of 8, 11.7, 31, 34, and 41 gallons per minute
a)
1000 gallon
b)
500 gallon
c)
750 gallon
d)
1250 gallon
42.
42. What is the proper size of a hydromechanical grease interceptor (in gpm) with one minute drainage period and a flow control device serving a commercial kitchen containing the following?
2 - Commercial sinks with food waste
1 - Commercial food waste disposer
5 - Floor sinks receiving indirect waste flow rates of 8, 11.7, 31, 34, and 41 gallons per minute
a)
20
b)
75
c)
150
d)
250
43.
43. When serving a “Food Court” with multiple business establishments, a grease interceptor may serve up to _____ businesses?
a)
1
b)
3
c)
4
d)
6
44.
44. The authority having jurisdiction can decide in special situations to use one of these.
a)
a. S-Trap
b)
b. Crown Vented Trap
c)
c. Drum Trap
d)
d. Bell Trap
100 %
