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 1 of 6 Intermediate

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

Question 2 of 6 Intermediate

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

Question 5 of 6 Intermediate

In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?

Question 6 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: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
A: Domestic water supply & Irrigation
Correct
Q: What is a key installer benefit of the voltage protection in SQ/SQE?
A: Fewer service visits
Correct
Q: How does the integrated dry-running protection work?
A: It automatically shuts down the pump if water shortage is detected.
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: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
A: It reduces the occurrence of water hammer in the pipes and minimises wear during start-up.
Correct
Q: By how much does the supply voltage decrease before the motor contactor stops the pump?
A: More than 10 %