6 questions Intermediate

ECADEMY test

Monitoring and controls

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

You must answer all questions correctly to pass the test and complete the course.

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Question 3 of 6 Intermediate

Which of the following pump performance regulation approaches does not allow for manual nor automatic flow/pressure adjustments?

Question 5 of 6 Intermediate

To achieve high irrigation efficiency in all types of irrigation, it is important to be able to control the:

Question 6 of 6 Intermediate

A VFD provides soft start and soft stop that helps:

Question 6 of 6 Intermediate

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Correct
Q: In which of the following circumstances should a VFD be used?
A: If an irrigation system has more than one zone.
Correct
Q: Which of the following statements depict the actual benefit of a VFD.
A: It provides soft start and soft stop, thereby, minimising the risk of water hammer in the system.
Correct
Q: Which of the following pump performance regulation approaches does not allow for manual nor automatic flow/pressure adjustments?
A: Modifying impeller diameter
Correct
Q: When a VFD is installed with a pump, what happens if the valve for one irrigation zone is closed and other is open?
A: A pressure sensor notifies the VFD to reduce the pressure, and thereby speed of the pump.
Correct
Q: To achieve high irrigation efficiency in all types of irrigation, it is important to be able to control the:
A: Flow and pressure
Correct
Q: A VFD provides soft start and soft stop that helps:
A: Eliminate risk of water hammer.