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 3 of 6 Intermediate

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

Question 6 of 6 Intermediate

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Correct
Q: Which of these isn’t a key dry-run protection benefit for the installer?
A: The installer doesn’t have to worry about water bursts
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: How many times higher than nominal speed does the motor current reach during the first milliseconds?
A: Seven times higher
Correct
Q: How does the integrated dry-running protection work?
A: It automatically shuts down the pump if water shortage is detected.
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: Where is domestic groundwater extraction typically relevant?
A: In remote areas where it is too costly to extend the municipal water supply to just a few houses.