Question 1 of 6
Intermediate

What is the benefit of a slow increase in speed?

Question 2 of 6
Intermediate

Where is domestic groundwater extraction typically relevant?

Question 3 of 6
Intermediate

Which submersible pump was replaced with a Grundfos SQ?

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

How does the integrated dry-running protection work?

Question 6 of 6
Intermediate

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1: What is the benefit of a slow increase in speed?
It keeps the motor current low
1: What is the benefit of a slow increase in speed?
It keeps pump movements at a minimum
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1: What is the benefit of a slow increase in speed?
It removes the need for motor contactors
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2: Where is domestic groundwater extraction typically relevant?
In big cities.
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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.
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3: Which submersible pump was replaced with a Grundfos SQ?
A 4” submersible pump 
3: Which submersible pump was replaced with a Grundfos SQ?
A 3” submersible pump
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3: Which submersible pump was replaced with a Grundfos SQ?
A 5” submersible pump 
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4: What is the most commonly used starting method for motors in 4” conventional pumps?
Direct on line
4: What is the most commonly used starting method for motors in 4” conventional pumps?
Star delta starters
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4: What is the most commonly used starting method for motors in 4” conventional pumps?
Auto transformer
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5: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Groundwater lowering & Irrigation
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5: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Domestic water supply & Groundwater lowering
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5: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Domestic water supply & Irrigation
6: How does the integrated dry-running protection work?
It automatically restarts 3 minutes after shut down.
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6: How does the integrated dry-running protection work?
It prevents sand from damaging the pump.
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6: How does the integrated dry-running protection work?
It automatically shuts down the pump if water shortage is detected.