Question 1 of 6
Intermediate

When a VFD is installed with a pump, what happens if the valve for one irrigation zone is closed and another is open?

Question 2 of 6
Intermediate

Fill in the blank with the correct option: VFD provides soft start and soft stop that helps ________.

Question 3 of 6
Intermediate

Which of the following is not an essential parameter to achieve high uniformity in sprinkler irrigation?

Question 4 of 6
Intermediate

Which of the following is not a benefit of remote monitoring via data transmission devices?

Question 5 of 6
Intermediate

How much energy can you expect to save when installing a VFD with the main pivot?

Question 6 of 6
Intermediate

What does a VFD do?

Question 6 of 6
Intermediate

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1: When a VFD is installed with a pump, what happens if the valve for one irrigation zone is closed and another is open?
A pressure sensor notifies the VFD to reduce the pressure, and thereby the speed of the pump.
1: When a VFD is installed with a pump, what happens if the valve for one irrigation zone is closed and another is open?
The pressure decreases in the zone that is open.
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1: When a VFD is installed with a pump, what happens if the valve for one irrigation zone is closed and another is open?
The power consumption increases by almost 50% compared with both zones open.
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2: Fill in the blank with the correct option: VFD provides soft start and soft stop that helps ________.
Reduce water consumption
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2: Fill in the blank with the correct option: VFD provides soft start and soft stop that helps ________.
Eliminate risk of water hammer
2: Fill in the blank with the correct option: VFD provides soft start and soft stop that helps ________.
Save up to 20% energy
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3: Which of the following is not an essential parameter to achieve high uniformity in sprinkler irrigation?
Water temperature
3: Which of the following is not an essential parameter to achieve high uniformity in sprinkler irrigation?
Water flow
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3: Which of the following is not an essential parameter to achieve high uniformity in sprinkler irrigation?
Water pressure
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4: Which of the following is not a benefit of remote monitoring via data transmission devices?
It helps to manage alerts
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4: Which of the following is not a benefit of remote monitoring via data transmission devices?
It helps to reduce energy consumption
4: Which of the following is not a benefit of remote monitoring via data transmission devices?
It helps to manage diagnostics
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5: How much energy can you expect to save when installing a VFD with the main pivot?
Minimum 10%
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5: How much energy can you expect to save when installing a VFD with the main pivot?
Minimum 15%
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5: How much energy can you expect to save when installing a VFD with the main pivot?
Minimum 20%
6: What does a VFD do?
It changes the frequency of an electric current supplied to an electric motor
6: What does a VFD do?
It changes the temperature of the pumped water
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6: What does a VFD do?
It improves sprinkler conditions
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