You should have finished Study Session 6 before starting this study session. This study session deals with sewage ejector pumps, sump pumps, and laundry tub pumps.
The estimated completion time is one and a half to two hours.
Objectives
At the end of this study session, you should be able to:
At the end of this study session, you should be able to:
- Describe in one sentence the function of a sewage ejector pump.
- List and describe the three pipes connected to a sewage ejector pump.
- List the three components required on the discharge line of the sewage ejector pump.
- List seven problems found with sewage ejector pumps.
- Describe in one sentence each the purpose of the sump pump and laundry tub pump.
- List six problems commonly found with sump pumps.
- List six problems commonly found with laundry tub pumps.
Question 1
If you fail to find the discharge point of the sump pump at an inspection, what should you tell your client?Selected Answer: you should let you client know about the limitation of this situationCorrect Answer: 
You should tell your client that you could not find the discharge point and that further investigation is needed.Response Feedback: [None Given] Question 2
Sewage odor at the pump can be caused by:Selected Answer: 1. A lid that is not tight2. Leaks at the inlet, discharge or vent pipesCorrect Answer: A lid that is not tight, or leaks at the inlet, discharge or vent pipes.Response Feedback: [None Given] Question 3
What are the functions of the three pipes connected to a sewage ejector pump?Selected Answer: 1. Vent pipe2. Discharge pipe3. Drain pipeCorrect Answer: The vent pipe vents sewer gases, the discharge pipe handles the waste, and the drain pipe brings the waste into the pump.Response Feedback: [None Given] Question 4
What are the implications of short cycling on the life of a pump?Selected Answer: life expectation will be shortenedCorrect Answer: Short cycling will shorten the life of the pumpResponse Feedback: [None Given] Question 5
What are the three components required on the discharge line from a sewage ejector pump?Selected Answer: 1. Union2. Check valve3. Gate valveCorrect Answer: 1. A union 2. A check valve 3. A gate valveResponse Feedback: [None Given] Question 6
What is a sump pump designed to handle?Selected Answer: it is designed to handle rain and melted snow that accumulate around the buildingCorrect Answer: Storm water from rain and melting snow that accumulates around the building.Response Feedback: [None Given] Question 7
What is the important functional difference between a laundry tub pump and a sewage ejector pump?Selected Answer: sewage ejector pump is designed to handle toilets below the public or private sewer lineCorrect Answer: A laundry tub pump cannot handle human waste.Response Feedback: [None Given] Question 8
What is the purpose of a high level alarm with a sewage ejector?Selected Answer: it will let the home owner know if something is wrong with the systemCorrect Answer: To warn the occupants that the sewage ejector pump has failed.Response Feedback: [None Given] Question 9
What is the purpose of a laundry tub pump?Selected Answer: it is used if laundry facilities are below the elevation of the sewerCorrect Answer: To pump the drain water from a laundry tub up to the level of a sewer line.Response Feedback: [None Given] Question 10
What is the purpose of the sewage ejector pump?Selected Answer: Lift the waste to be discharged into sewerCorrect Answer: To lift the waste from a toilet (and any other fixtures) below the public or private sewer line, up into the sewer. These pumps are needed when waste can?t flow by gravity into the sewer system.Response Feedback: [None Given] Question 11
Where the sump pump sits in an earthen sump, what is to be expected?Selected Answer: [None Given]Correct Answer: The sump walls will eventually collapse.Response Feedback: [None Given] Question 12
Why is a check valve necessary when a sewage ejector is connected to municipal sewers?Selected Answer: [None Given]Correct Answer: This protects the ejector tank and house fixtures that feed the tank from back-up of the municipal sewer system.Response Feedback: [None Given] Question 13
Is it possible to find a sump pump running continuously with water in the sump?Selected Answer: YesAnswers: Response Feedback: Good workQuestion 14
What is the typical vent size on a sewage ejector pump?Selected Answer: 2 inchesAnswers: Response Feedback: Good workQuestion 15
Laundry tub pumps are automatically controlled so there is no risk of overflow in the laundry tub.Selected Answer: TrueAnswers: TrueFalseResponse Feedback: Good workQuestion 16
Sewage ejector pumps should not vibrate significantly when running.Selected Answer: TrueAnswers: TrueFalseResponse Feedback: Good workQuestion 17
Sump pumps must discharge to a sanitary sewer.Selected Answer: FalseAnswers: True FalseResponse Feedback: Good workQuestion 18
The discharge pipe of a sump pump which discharges water outside the building at grade level can create a vicious circle.Selected Answer: TrueAnswers: TrueFalseResponse Feedback: Good workQuestion 19
The presence of a sump pump may be a requirement of the municipality.Selected Answer: TrueAnswers: TrueFalseResponse Feedback: Good workQuestion 20
You do not need a trap when you have a laundry tub pump in a laundry tub because the laundry tub pump will be the lowest spot in the pipe.Selected Answer: FalseAnswers: True FalseResponse Feedback: Good work
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