Deck 18: Sump Pumps, Sewage Pumps, and Sewage Ejectors

Question 1

A sewage ejector requires a pressure-related sump.

Answer 1

True

Question 2

When selecting a top-mounted sump pump, suction lift is unimportant.

Answer 2

False

Question 3

A sewage ejector vent is not permitted to connect to the general plumbing vent system.

Answer 3

True

Question 4

Installation of duplex pumps should be considered if an interruption of service cannot be tolerated.

Question 5

Sewage pumps are made to pass solids up to a certain size; therefore, they usually have higher flow rates.

Question 6

Sewage ejectors are selected if available power is limited or if some special hazard exists.

Question 7

A pneumatic sewage ejector

A) requires vents separate from the other plumbing vents.
B) can be tied into the main vent for the building.
C) does not need to be vented.
D) requires a special steam vent.

Question 8

____ are used for transporting storm water, cooling water, condensate drainage, laundry water, or any other waste water not containing significant foreign material.

A) Sewage pumps
B) Sewage ejectors
C) Sump pumps
D) Sump ejectors

Question 9

A ____ is a device for lifting sewage by air pressure.

A) sewage pump
B) grinder pump
C) sewage ejector
D) pneumatic lift

Question 10

____ are used for transporting wastes that contain animal or vegetable matter in suspension.

A) Sewage pumps
B) Sewage ejectors
C) Sump pumps
D) Sump ejectors

Question 11

Sump pumps are usually the most expensive of the three types: sump pumps, sewage pumps, and ejectors.

Question 12

Sumps serving what areas do not need to be vented?

A) none-all sumps must be vented
B) sumps that collect ground water around building foundations
C) sumps serving laundry rooms
D) sumps serving commercial buildings

Question 13

The most common configurations of sump pumps are pedestal and submersible types.

Question 14

Another name for a grinder used in conjunction with a sewage pump is a

A) pneumatic ejector.
B) waste grinder.
C) macerator.
D) hydraulic grinder.

Question 15

Whenever portions of a drainage system are below the elevation of the sewer connection, a ____ must be used.

A) building subdrain system
B) check valve
C) gravity drain
D) food waste grinder

Question 16

____ are used to transport liquid waste that contains no human wastes.

A) Sewage pumps
B) Sewage ejectors
C) Sump pumps
D) Sump ejectors

Question 17

The major difference between sump pumps and sewage pumps is

A) sewage pumps can move solids.
B) sewage pumps have higher pump rates and require a larger receiver.
C) some sewage pumps include specialized grinder pumps.
D) all of the above.

Question 18

What are the four types of sump pumps?

A) dry pit, submersible, top-mounted, pedestal
B) macerating, dry pit, top-mounted, submersible
C) pedestal, macerating, submersible, centrifugal
D) impeller, centrifugal, dry pit, top-mounted

Question 19

Sewage pumps must be made airtight and must be vented to the outside.

Question 20

A sump pump and a sewage pump are the same thing.