Oil interceptor

Question 1

The primary function of an oil interceptor is

Answer 1

To prevent oil and other flammable fluids from entering the sanitary drainage system

Question 2

After the oil and water have separated, the oil is

Answer 2

Retained in the interceptor until removed for disposal, or discharged to a secondary containment unit

Question 3

Oil interceptors are required to be installed in

Answer 3

Any building where motor vehicles are maintained, serviced or duplicated, and any building where oil is used in the production process

Question 4

Petroleum-based products will separate from water, and

Answer 4

Float to the top because they have a specific gravity less than water

Question 5

Oil injectors can either be manufactured, or

Answer 5

Built on location

Question 6

The most common fixture to be discharged into an oil interceptor is a

Answer 6

Floor drain

Question 7

An oil interceptor requires a minimum of

Answer 7

2 vents

Question 8

What is the function of the vent in an oil interceptor?

Answer 8

To eliminate flammable gases, from within the interceptor

Question 9

When floor drains are located in different rooms are to be served by the same oil interceptor the floor drains

Answer 9

Must be individually, trapped and vented

Question 10

When gang trapping floor dreams served by an oil interceptor

Answer 10

All of the answers

Question 11

The minimum size vent required for a manufactured oil interceptor is

Answer 11

All of the entries

Question 12

The minimum size vent for a built on location oil interceptor are

Answer 12

3 inches

Question 13

The vent for an oil, intercepted terminate

Answer 13

Independently to open air

Question 14

The minimum size of an oil interceptor vent when penetrating a building exterior wall or roof is

Answer 14

3 inches

Question 15

In a multi chamber, oil, interceptor

Answer 15

I’ll compartments must be interconnected with a vent opening

Question 16

A[__________ is required immediately downstream of an interceptor

Answer 16

Clean out

Question 17

Similar to a manufactured grease interceptor, a manufactured oil interceptor requires

Answer 17

An FCD

Question 18

It may be necessary to install an i1 1/2” vent downstream of an oil interceptor

Answer 18

True

Question 19

When the secondary receiving tank is installed in conjunction with an oil interceptor, the interceptor must be equipped with a

Answer 19

Auto oil draw off

Question 20

The minimum size event for secondary receiving tank located in a building is

Answer 20

1 1/2”

Question 21

The auto oil draw off should be set at approximately ____ above the normal flow level of the interceptor

Answer 21

1/8”

Question 22

Will interceptors equipped with an electronic centre will

Answer 22

All of the answers

Question 23

The minimum vent termination height for vent pipes serving an oil interceptor are

Answer 23

2000 mm, 2300 mm above grade

Question 24

Secondary flow control device are required of the elevation difference between the fixtures and the oil intercept———-

Answer 24

1500 mm

Question 25

Without the use of oil interceptors, what would be the effect on the public infrastructure

Answer 25

All of the answers