Question 1 of 6
Intermediate

Why is it important to protect the pump from over- and under voltage?

Question 2 of 6
Intermediate

How does the integrated dry-running protection work?

Question 3 of 6
Intermediate

The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?

Question 4 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 6 of 6
Intermediate

Happy with your answers?

Submit your current answers and get the final test result.

Test results

Congratulations. You have passed the test and completed the 37 - Grundfos SQ/SQE
Sorry. You did not pass the 37 - Grundfos SQ/SQE test this time
Achieved badges:
How would you rate this course?
1: Why is it important to protect the pump from over- and under voltage?
Because large variations in power supply will damage the motor over time.
1: Why is it important to protect the pump from over- and under voltage?
To avoid burning the house fuses.
You can find the answer here >
1: Why is it important to protect the pump from over- and under voltage?
To minimise the power consumption.
You can find the answer here >
2: How does the integrated dry-running protection work?
It automatically restarts 3 minutes after shut down.
You can find the answer here >
2: How does the integrated dry-running protection work?
It prevents sand from damaging the pump.
You can find the answer here >
2: How does the integrated dry-running protection work?
It automatically shuts down the pump if water shortage is detected.
3: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In wells with water temperature up to 60° C.
You can find the answer here >
3: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In installations that require constant pressure.
You can find the answer here >
3: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In original 4” boreholes where sediments over the years have narrowed the hole.
4: Is the SQE pump able to provide constant pressure?
No.
You can find the answer here >
4: Is the SQE pump able to provide constant pressure?
Yes.
5: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
5: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
You can find the answer here >
5: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
You can find the answer here >
6: Which submersible pump was replaced with a Grundfos SQ?
A 4” submersible pump 
6: Which submersible pump was replaced with a Grundfos SQ?
A 3” submersible pump
You can find the answer here >
6: Which submersible pump was replaced with a Grundfos SQ?
A 5” submersible pump 
You can find the answer here >