6 questions Intermediate

ECADEMY test

37 - Grundfos SQ/SQE

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

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 6 Intermediate

What is a key installer benefit of the voltage protection in SQ/SQE?

Question 3 of 6 Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 5 of 6 Intermediate

By how much does the supply voltage decrease before the motor contactor stops the pump?

Question 6 of 6 Intermediate

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Correct
Q: What is a key installer benefit of the voltage protection in SQ/SQE?
A: Fewer service visits
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: Why must the pump unit be installed below the dynamic water table?
A: To avoid the risk of dry-running during operation.
Correct
Q: By how much does the supply voltage decrease before the motor contactor stops the pump?
A: More than 10 %
Correct
Q: What is the benefit of a slow increase in speed?
A: It keeps the motor current low