8 questions Intermediate

ECADEMY test

Wastewater transport

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Question 8 of 8 Intermediate

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Correct
01.
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
02.
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
03.
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
04.
Q: What makes the S-tube® impeller virtually clog-free?
A: The excellent hydraulic efficiency and free passage.
Correct
05.
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
06.
Q: What is parallel operation?
A: When two or more pumps operate side by side simultaneously.
Correct
07.
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
08.
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%.