WorksheetsUPC Chapter 10
Total questions: 40
Worksheet time: 41mins
Name
Class
Date
1.
Each plumbing fixture, except for those having integral traps, shall be ______.
a)
Separately trapped by an approved liquid seal trap
b)
Drained by means of an indirect waste line
c)
Connected directly to the building drain without a trap
d)
Illegal and should not be used
2.
One trap may serve a set of not more than ______ single compartment sinks.
a)
Two
b)
One
c)
Three
d)
Four
3.
A food waste disposal unit installed in restaurant, commercial, or industrial sinks ______.
a)
May share a common trap
b)
Must be individually trapped
c)
Should be indirectly wasted
d)
Need not be trapped
4.
The maximum vertical distance for a tailpiece allowed between a fixture and the trap weir is ______ inches.
a)
6
b)
12
c)
18
d)
24
5.
Each plumbing fixture trap shall be protected against siphonage and backpressure by a _______.
a)
Sanitary tee
b)
Vent pipe
c)
Air admittance device
d)
Backflow preventor
6.
A trap arm smaller than 3 inches may change direction without a cleanout if the change in direction does not exceed ______ degrees.
a)
30
b)
45
c)
90
d)
180
7.
The vent pipe opening from a soil or waste pipe, except for water closets and similar fixtures, ________.
a)
May be below the trap weir
b)
Shall not be below the weir of the trap
c)
Must be below the weir of the trap
d)
Does not need a vent
8.
The maximum horizontal distance a trap arm shall be from the trap to the vent opening for a 2 inch trap is _______ feet.
a)
3
b)
5
c)
6
d)
10
9.
Each trap, except for traps within interceptors or similar devices, _______.
a)
Shall be self-cleaning
b)
Shall be one pipe size smaller than the fixture outlet
c)
Shall have a cleanout on the bottom of the trap
d)
Need not be vented
10.
No more than ______ approved slip joint fittings may be used on the outlet side of a trap.
a)
one
b)
two
c)
three
d)
four
11.
The size of the trap connected to a fixture shall be sufficient to drain the fixture rapidly but _____.
a)
In no case smaller than the fixture drain
b)
Not more than one size larger than the fixture drain
c)
May be the same size as the trap arm to which it is conneted
d)
All of these
12.
No trap shall be used that ______.
a)
Depends on movable parts for it's seal
b)
Ha concealed interior partitions
c)
Is classified as an S-trap or bell trap
d)
All of these
13.
Each fixture trap shall have a water seal of _____.
a)
Not less than 2 inches
b)
Not more than 4 inches
c)
Both 2 or 4 inches
d)
Neither 2 or 4 inches
14.
Floor drains shall connect into a trap so constructed that it can be ______.
a)
Accessible
b)
Easily removed
c)
Readily cleaned
d)
None of these
15.
Floor drains or similar traps directly connected to the drainage system and subject to infrequent use shall be ______.
a)
Primed weekly, except when not deemed necessary by the Authority Having Jurisdiction
b)
Covered when not in use, except when not deemed necessary by the Authority Having Jurisdiction
c)
Protected with an accessible trap seal primer, except when not deemed necessary by the Authority Having Jurisdiction
d)
Prohibited
16.
Each building trap when installed shall be provided with ______.
a)
A cleanout
b)
A relieving vent or fresh air intake on the inlet side of the trap
c)
Both of these
d)
Neither of these
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)
Grease and flammable
b)
Sand and/or solids
c)
Acid or alkaline substances
d)
All of these
18.
Interceptors for sand and similar heavy solids shall have a water seal of not less than ______ inches.
a)
4
b)
6
c)
8
d)
10
19.
Interceptors shall ______.
a)
Be properly vented
b)
Have covers that are readily accessible for service and maintenace
c)
Be placed above ground
d)
Both be properly vented and have covers that are readily accessible for service and maintenance
20.
Every public or private wash rack and floor or slab used for cleaning machinery or machine parts shall ______.
a)
Be adequately protected against storm or surface water
b)
Drain or discharge into the main sewer system
c)
Drain or discharge into an interceptor of approved design
d)
Both be adequately protected against storm or surface water and drain or discharge into an interceptor of approved design
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 ______ inch or larger in maximum dimension.
a)
1/4
b)
1/8
c)
1/2
d)
3/4
22.
The Authority Having Jurisdiction had mandated grease pre-treatment for the following fixtures: four non-emergency floor drains, two commercial food prep sinks, one mop sink with a 3 inch trap, and two dishwashers discharging 20 gallon per minute each. The minimum size gravity grease interceptor in gallons shall be _______.
a)
500
b)
750
c)
1,000
d)
1,250
23.
Each plumbing fixture connected to a type "A" and "B" hydro-mechanical grease interceptor shall be provided with a ______.
a)
Vent terminating to the atmosphere inside the building (turned down with screen)
b)
Flow control device
c)
Gate valve
d)
Removable cover
24.
Each fixture discharging into a gravity grease interceptor shall be _______.
a)
In the same room
b)
Individually trapped and vented
c)
Readily accessible
d)
Approved for that use
25.
The total capacity in gallons of fixtures discharging into any hydro-mechanical grease interceptor shall not exceed _______ times the certified gpm flow rate.
a)
1 1/2
b)
2
c)
2 1/2
d)
3
26.
Sand interceptors shall be required _______.
a)
Whenever the discharge of a fixture or drain may contain solids or semisolids heavier than water that would be harmful to the drainage system
b)
Whenever the Authority Having Jurisdiction deems it advisable to protect the drainage system
c)
Both of these
d)
None of these
27.
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)
1 1/2, 1 1/2
b)
2 1/1, 2 1/2
c)
2, 2
d)
3, 3
28.
Sand and similar interceptors shall have a water seal of not less than _______ inches.
a)
4
b)
6
c)
8
d)
10
29.
All repair and gas stations with grease racks or grease pies and all factories that have oily and/or flammable waste shall be provided with an oil or flammable liquid interceptor that shall _______.
a)
Be connected to all necessary floor drains
b)
Have a separation or vapor compartment independently vented to the outer air
c)
Have a flammable vapor vent not less than 2 inches
d)
All of these
30.
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 a ______inch water seal.
a)
1 1/2, 12
b)
2, 18
c)
2 1/2, 24
d)
3, 36
31.
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)
Hiring more employees
b)
Firing the manager
c)
A maintenance program
d)
Less grease to be used
32.
A _______ shall be installed downstream of hydro-mechanical grease interceptor in accordance with the requirements of this code.
a)
Check valve
b)
Vent
c)
Backflow preventor
d)
Filter
33.
Gravity grease interceptors shall not be installed in any part of the building where _______.
a)
Laundry is handled
b)
Food is handled
c)
There is public access
d)
The fixture served is on the second floor
34.
The volume of the gravity interceptor shall be determined by using ______.
a)
Table 313.1
b)
Table 1014.2.1
c)
Table 1014.3.6
d)
Table 610.3
35.
Gravity grease interceptors shall be placed as close as practical to the ______.
a)
Fixtures they serve
b)
Soil pipe
c)
System vents
d)
Egress doors
36.
It is recommended that a ______ be located at the outlet end of all gravity grease interceptors.
a)
PH monitor
b)
CO2 monitor
c)
Sight glass
d)
Sample box
37.
Abandoned grease interceptors shall be ______ and ______ as required for abandoned sewers and sewage disposal facilities.
a)
Broke up, removed
b)
Pumped, filled
c)
Painted, sealed
d)
Cleaned, reused
38.
Water closets and urinals shall ______ into or through a grease interceptor.
a)
Drain
b)
Directly connect
c)
Indirectly connect
d)
Not drain
39.
Listed ______ may be used to connect listed metal tubing traps.
a)
Male adapters
b)
Female adapters
c)
PEX adapters
d)
Plastic adapters
40.
Grease interceptors shall at all time be _____ for inspection, cleaning and removal of grease.
a)
Easily accessible
b)
Labeled with instructions
c)
Documented by the manufacturer
d)
Open
100 %
