8 questions Intermediate

ECADEMY test

Wastewater transport

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

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Question 8 of 8 Intermediate

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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 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 benefits of a pumping station with a separate valve chamber?
A: It allows service and maintenance on the valves to be carried out without human interaction with the pit itself.
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: Can a sewage pump handle all types of wastewater?
A: Yes if the pH value is within 4 – 9 and max. dry content 3 to 5%.
Correct
Q: What is drainage water?
A: Wastewater without toilet waste or impurities like paper, diapers and textile fibres.
Correct
Q: What is parallel operation?
A: When two or more pumps operate side by side simultaneously.
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.