6 questions Intermediate

ECADEMY test

16 - Monitoring and controls

This course test contains 6 questions and can be retaken at any time.

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Question 2 of 6 Intermediate

What do you need to control to achieve high efficiency in all types of irrigation?

Question 3 of 6 Intermediate

Can a VFD be used as an over-frequency drive when pump performance needs to be increased?

Question 4 of 6 Intermediate

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

Question 6 of 6 Intermediate

Fill in the blank with the correct option: Installing a VFD with a pivot ensures that the _______ at the sprinklers remain constant, thereby maintaining high irrigation uniformity.

Question 6 of 6 Intermediate

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Correct
Q: When a VFD is installed with a pump, what happens if the valve for one irrigation zone is closed and another is open?
A: A pressure sensor notifies the VFD to reduce the pressure, and thereby the speed of the pump.
Correct
Q: What do you need to control to achieve high efficiency in all types of irrigation?
A: Flow and pressure
Correct
Q: Can a VFD be used as an over-frequency drive when pump performance needs to be increased?
A: Yes, but only if the motor has enough reserve power
Correct
Q: Which of the following is not an essential parameter to achieve high uniformity in sprinkler irrigation?
A: Water temperature
Correct
Q: What does a VFD do?
A: It changes the frequency of an electric current supplied to an electric motor
Correct
Q: Fill in the blank with the correct option: Installing a VFD with a pivot ensures that the _______ at the sprinklers remain constant, thereby maintaining high irrigation uniformity.
A: Flow and pressure