10 questions Intermediate

ECADEMY test

37 - Grundfos SQ/SQE

This course test contains 10 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 10 Intermediate

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

Question 2 of 10 Intermediate

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

Question 3 of 10 Intermediate

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

Question 5 of 10 Intermediate

Is the SQE pump able to provide constant pressure?

Question 7 of 10 Intermediate

Which of these isn’t a key dry-run protection benefit for the installer?

Question 8 of 10 Intermediate

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

Question 9 of 10 Intermediate

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

Question 10 of 10 Intermediate

What happens if the static water level is too low?

Question 10 of 10 Intermediate

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Correct
Q: How many times higher than nominal speed does the motor current reach during the first milliseconds?
A: Seven times higher
Correct
Q: By how much does the supply voltage decrease before the motor contactor stops the pump?
A: More than 10 %
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 the benefit of a slow increase in speed?
A: It keeps the motor current low
Correct
Q: Is the SQE pump able to provide constant pressure?
A: Yes.
Correct
Q: How does the integrated dry-running protection work?
A: It automatically shuts down the pump if water shortage is detected.
Correct
Q: Which of these isn’t a key dry-run protection benefit for the installer?
A: He doesn’t have to worry about water bursts
Correct
Q: What happens if the water level in the well drops below the inlet?
A: The motor power consumption stays the same
Correct
Q: What is a key installer benefit of the voltage protection in SQ/SQE?
A: Fewer service visits
Correct
Q: What happens if the static water level is too low?
A: The water level is brought down below the inlet of the pump