Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

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

Question 3 of 6
Intermediate

In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?

Question 4 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 5 of 6
Intermediate

Where is domestic groundwater extraction typically relevant?

Question 6 of 6
Intermediate

Why is correct sizing of the submersible pump important?

Question 6 of 6
Intermediate

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1: What is the most commonly used starting method for motors in 4” conventional pumps?
Direct on line
1: What is the most commonly used starting method for motors in 4” conventional pumps?
Star delta starters
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1: What is the most commonly used starting method for motors in 4” conventional pumps?
Auto transformer
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2: What happens if the water level in the well drops below the inlet?
The motor power consumption drops
2: What happens if the water level in the well drops below the inlet?
The motor power consumption stays the same
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2: What happens if the water level in the well drops below the inlet?
The motor power consumption increases
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3: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Soft start reduces over-pressure in your piping.
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3: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
It reduces the occurrence of water hammer in the pipes and minimises wear during start-up.
3: In addition to limiting the current draw from the mains during start-up of the pump, how does the soft-start functionality benefit operation?
Soft start prevents the motor from getting warm.
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4: Is the SQE pump able to provide constant pressure?
No.
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4: Is the SQE pump able to provide constant pressure?
Yes.
5: Where is domestic groundwater extraction typically relevant?
In big cities.
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5: 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.
5: Where is domestic groundwater extraction typically relevant?
In smaller and medium sized towns.
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6: 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.
6: Why is correct sizing of the submersible pump important?
Because too small a pump will pump the well dry.
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6: 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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