8 questions Intermediate

ECADEMY test

18 - Wastewater transport

This course test contains 8 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

Start test

Question 8 of 8 Intermediate

Happy with your answers?

Submit your current answers and get the final test result.

Submit

Test results

Congratulations. You have passed the test and completed the 18 - Wastewater transport

Achieved badges:

How would you rate this course?

You are welcome to add your rating of this course. Remember that you have to be logged in before you take the test to be able to give your rating.

Continue training Go to MyECADEMY

Sorry. You did not pass the 18 - Wastewater transport test this time

How would you rate this course?

You are welcome to add your rating of this course. Remember that you have to be logged in before you take the test to be able to give your rating.

Correct
Q: Why is it important that the distance between the start and stop level is not too long?
A: If the distance is too long it reduces the number of cycles, which may cause sedimentation because the water stays in the pit too long.
Correct
Q: What is parallel operation?
A: When two or more pumps operate side by side simultaneously.
Correct
Q: What is drainage water?
A: Wastewater without toilet waste or impurities like paper, diapers and textile fibres.
Correct
Q: What is the main disadvantage of over-dimensioning a wastewater pit?
A: The wastewater stays in the pit too long, which leads to sedimentation.
Correct
Q: What is one of the main challenges facing utility companies today in relation to transportation of wastewater?
A: Lower water consumption has changed the composition of wastewater, which now has a higher proportion of dry solid content than before.
Correct
Q: How far below ground should the manifold – or the discharge pipe – be installed?
A: It depends on local regulation but typically 1 meter down.
Correct
Q: What might be the reason a wastewater pump solution requires a big free passage?
A: The need for high flow and/or a high content of solids.
Correct
Q: What are the main virtues of the S-tube® impeller?
A: It offers both excellent efficiency and large free passage.