6 questions Intermediate

ECADEMY test

37 - Grundfos SQ/SQE

This course test contains 6 questions and can be retaken at any time.

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Question 2 of 6 Intermediate

How many times higher than nominal speed does the motor current reach during the first milliseconds?

Question 4 of 6 Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 5 of 6 Intermediate

Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?

Question 6 of 6 Intermediate

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Correct
Q: How does the integrated dry-running protection work?
A: It automatically shuts down the pump if water shortage is detected.
Correct
Q: How many times higher than nominal speed does the motor current reach during the first milliseconds?
A: Seven times higher
Correct
Q: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
A: In original 4” boreholes where sediments over the years have narrowed the hole.
Correct
Q: Which submersible pump was replaced with a Grundfos SQ?
A: A 4” submersible pump 
Correct
Q: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
A: Domestic water supply & Irrigation
Correct
Q: Why must the pump unit be installed below the dynamic water table?
A: To avoid the risk of dry-running during operation.