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 3 of 6 Intermediate

What happens if the water level in the well drops below the inlet?

Question 4 of 6 Intermediate

What is the most commonly used starting method for motors in 4” conventional pumps?

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

Which submersible pump was replaced with a Grundfos SQ?

Question 6 of 6 Intermediate

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Correct
Q: What is the benefit of a slow increase in speed?
A: It keeps the motor current low
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.
Correct
Q: What happens if the water level in the well drops below the inlet?
A: The motor power consumption drops
Correct
Q: What is the most commonly used starting method for motors in 4” conventional pumps?
A: Direct on line
Correct
Q: By how much does the supply voltage decrease before the motor contactor stops the pump?
A: More than 10 %
Correct
Q: Which submersible pump was replaced with a Grundfos SQ?
A: A 4” submersible pump