8 questions Intermediate

ECADEMY test

18 - 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: What is parallel operation?
A: When two or more pumps operate side by side simultaneously.
Correct
Q: What makes the S-tube® impeller virtually clog-free?
A: The excellent hydraulic efficiency and free passage.
Correct
Q: What is the purpose of the start level sensor?
A: It activates the pump when the water reaches this level.
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: 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 are the main virtues of the S-tube® impeller?
A: It offers both excellent efficiency and large free passage.
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 is drainage water?
A: Wastewater without toilet waste or impurities like paper, diapers and textile fibres.