Question 1 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 2 of 6
Intermediate

Where is domestic groundwater extraction typically relevant?

Question 3 of 6
Intermediate

What happens if the static water level is too low?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

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

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: Which submersible pump was replaced with a Grundfos SQ?
A 4” submersible pump 
1: Which submersible pump was replaced with a Grundfos SQ?
A 3” submersible pump
You can find the answer here >
1: Which submersible pump was replaced with a Grundfos SQ?
A 5” submersible pump 
You can find the answer here >
2: Where is domestic groundwater extraction typically relevant?
In big cities.
You can find the answer here >
2: Where is domestic groundwater extraction typically relevant?
In remote areas where it is too costly to extend the municipal water supply to just a few houses.
2: Where is domestic groundwater extraction typically relevant?
In smaller and medium sized towns.
You can find the answer here >
3: What happens if the static water level is too low?
The pump overheats
You can find the answer here >
3: What happens if the static water level is too low?
The water level is brought down below the inlet of the pump
3: What happens if the static water level is too low?
The motor shuts down
You can find the answer here >
4: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Four times higher
You can find the answer here >
4: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Six times higher
You can find the answer here >
4: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Seven times higher
5: What is the most commonly used starting method for motors in 4” conventional pumps?
Direct on line
5: What is the most commonly used starting method for motors in 4” conventional pumps?
Star delta starters
You can find the answer here >
5: What is the most commonly used starting method for motors in 4” conventional pumps?
Auto transformer
You can find the answer here >
6: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
You can find the answer here >
6: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
6: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
You can find the answer here >