8 questions Intermediate

ECADEMY test

Wastewater transport

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Question 8 of 8 Intermediate

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Correct
01.
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
02.
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
03.
Q: What is the purpose of the start level sensor?
A: It activates the pump when the water reaches this level.
Correct
04.
Q: What is drainage water?
A: Wastewater without toilet waste or impurities like paper, diapers and textile fibres.
Correct
05.
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
06.
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
07.
Q: What makes the S-tube® impeller virtually clog-free?
A: The excellent hydraulic efficiency and free passage.
Correct
08.
Q: What are the main virtues of the S-tube® impeller?
A: It offers both excellent efficiency and large free passage.