10 questions Intermediate

ECADEMY test

37 - Grundfos SQ/SQE

This course test contains 10 questions and can be retaken at any time.

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Question 5 of 10 Intermediate

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

Question 6 of 10 Intermediate

6 Is the SQE pump able to provide constant pressure?

Question 7 of 10 Intermediate

7 How long did it take to replace the pump with a Grundfos SQ?

Question 9 of 10 Intermediate

9 What must the supply voltage lie between in order for the SQ/SQE pump to deliver a flow of water?

Question 10 of 10 Intermediate

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

Question 10 of 10 Intermediate

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Correct
01.
Q: How does the integrated dry-running protection work?
A: It automatically shuts down the pump if water shortage is detected.
Correct
02.
Q: Why is correct sizing of the submersible pump important?
A: Because an undersized pump will not be able to deliver the required flow and pressure and an oversized pump reduces energy efficiency, which increases operational costs.
Correct
03.
Q: What is the benefit of a slow increase in speed?
A: It keeps the motor current low
Correct
04.
Q: Which protection features does the SQE have?
A: Voltage handling, soft start, dry-running protection and overload protection.
Correct
05.
Q: What is the most commonly used starting method for motors in 4” conventional pumps?
A: Direct on line
Correct
06.
Q: Is the SQE pump able to provide constant pressure?
A: Yes.
Correct
07.
Q: How long did it take to replace the pump with a Grundfos SQ?
A: 60 minutes
Correct
08.
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
09.
Q: What must the supply voltage lie between in order for the SQ/SQE pump to deliver a flow of water?
A: Between 150 V and 315 V
Correct
10.
Q: What is a key installer benefit of the voltage protection in SQ/SQE?
A: Fewer service visits