Question 1 of 6
Intermediate

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

Question 2 of 6
Intermediate

Is the SQE pump able to provide constant pressure?

Question 3 of 6
Intermediate

By how much does the supply voltage decrease before the motor contactor stops the pump?

Question 4 of 6
Intermediate

What happens if the static water level is too low?

Question 5 of 6
Intermediate

Where is domestic groundwater extraction typically relevant?

Question 6 of 6
Intermediate

Why must the pump unit be installed below the dynamic water table?

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: Is the SQE pump able to provide constant pressure?
No.
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2: Is the SQE pump able to provide constant pressure?
Yes.
3: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 10 %
3: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 15 %
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3: By how much does the supply voltage decrease before the motor contactor stops the pump?
More than 20 %
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4: What happens if the static water level is too low?
The pump overheats
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4: What happens if the static water level is too low?
The water level is brought down below the inlet of the pump
4: What happens if the static water level is too low?
The motor shuts down
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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 must the pump unit be installed below the dynamic water table?
So you are sure to minimise your power bill.
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6: Why must the pump unit be installed below the dynamic water table?
To avoid the risk of dry-running during operation.
6: Why must the pump unit be installed below the dynamic water table?
To maintain a stable pressure in the system.
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