Question 1 of 6
Intermediate

Why is correct sizing of the submersible pump important?

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

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

Question 4 of 6
Intermediate

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

Question 5 of 6
Intermediate

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

Question 6 of 6
Intermediate

Which protection features does the SQE have?

Question 6 of 6
Intermediate

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1: Why is correct sizing of the submersible pump important?
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.
1: Why is correct sizing of the submersible pump important?
Because too small a pump will pump the well dry.
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1: Why is correct sizing of the submersible pump important?
Because too big a pump will ruin the taps due to too high pressure.
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2: 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.
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2: The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
In installations that require constant pressure.
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2: 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.
3: Which of these isn’t a key dry-run protection benefit for the installer?
The installer can avoid costly callbacks
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3: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about additional components
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3: Which of these isn’t a key dry-run protection benefit for the installer?
The installer doesn’t have to worry about water bursts
4: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Groundwater lowering & Irrigation
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4: 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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4: Which are the two most common applications in which a Grundfos SQ/SQE submersible pump is used?
Domestic water supply & Irrigation
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
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5: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
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6: Which protection features does the SQE have?
Voltage handling, soft start, dry-running protection and overload protection.
6: Which protection features does the SQE have?
Protection against the well running dry.
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6: Which protection features does the SQE have?
The SQE does not have any protection features.
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