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- 37 - Grundfos SQ/SQE
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Question 1 of 6
Intermediate
Is the SQE pump able to provide constant pressure?
Question 2 of 6
Intermediate
What is the benefit of a slow increase in speed?
Question 3 of 6
Intermediate
Which of these isn’t a key dry-run protection benefit for the installer?
Question 4 of 6
Intermediate
Where is domestic groundwater extraction typically relevant?
Question 5 of 6
Intermediate
The 3” SQ pump is obviously ideal for new boreholes but where can it also be used?
Question 6 of 6
Intermediate
How many times higher than nominal speed does the motor current reach during the first milliseconds?
Question 6 of 6
Intermediate
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1: Is the SQE pump able to provide constant pressure?
1: Is the SQE pump able to provide constant pressure?
Yes.
2: What is the benefit of a slow increase in speed?
It keeps the motor current low
2: What is the benefit of a slow increase in speed?
It keeps pump movements at a minimum
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2: What is the benefit of a slow increase in speed?
It removes the need for motor contactors
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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: Where is domestic groundwater extraction typically relevant?
In big cities.
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4: 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.
4: Where is domestic groundwater extraction typically relevant?
In smaller and medium sized towns.
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5: 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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5: 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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5: 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.
6: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Four times higher
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6: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Six times higher
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6: How many times higher than nominal speed does the motor current reach during the first milliseconds?
Seven times higher