Question 1 of 8
Basic

Identify the true statement.

Question 2 of 8
Basic

How is the relationship between these three factors described in an equation?

Question 3 of 8
Basic

What are the effects of cavitation on pumps?

Question 4 of 8
Basic

Which of the following parameters is not used for calculating pump efficiency?

Question 5 of 8
Basic

Identify the false statement.

Question 6 of 8
Basic

What causes cavitation?

Question 7 of 8
Basic

How can friction loss in a system be minimised?

Question 8 of 8
Basic

Which of the following is one correct method to avoid cavitation?

Question 8 of 8
Basic

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1: Identify the true statement.
In deep-well pumps, you should check whether the pressure gauge is installed directly at the pump discharge.
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1: Identify the true statement.
Online monitoring equipment does not check if a parameter has changed or exceeded a preset limit.
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1: Identify the true statement.
If all the parameters are recorded immediately after the pump has been installed, you can use them as benchmark against future data.
2: How is the relationship between these three factors described in an equation?
P = Q x H x c
2: How is the relationship between these three factors described in an equation?
2: How is the relationship between these three factors described in an equation?
3: What are the effects of cavitation on pumps?
3: What are the effects of cavitation on pumps?
Pitting of suction pipe
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3: What are the effects of cavitation on pumps?
Pitting of impeller and pump housing
4: Which of the following parameters is not used for calculating pump efficiency?
4: Which of the following parameters is not used for calculating pump efficiency?
Time
4: Which of the following parameters is not used for calculating pump efficiency?
4: Which of the following parameters is not used for calculating pump efficiency?
5: Identify the false statement.
Cavitation can occur when water is flowing in a pipe and a valve is closed too quickly.
5: Identify the false statement.
The MP204 device can protect the pump motor against all possible disturbances that may occur.
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5: Identify the false statement.
The only way to avoid sand from entering a pump is through effective filtering before the pump inlet.
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6: What causes cavitation?
Cavitation occurs when water changes its state from vapour to water at low pressure.
6: What causes cavitation?
Cavitation occurs when water boils at 100°C and changes its state from water to vapour at normal atmospheric pressure.
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6: What causes cavitation?
Cavitation occurs when water flows through a pipe and a valve is closed quickly at a low atmospheric pressure
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7: How can friction loss in a system be minimised?
By increasing the pipe diameter
7: How can friction loss in a system be minimised?
By using 2 smaller pumps instead of one bigger pump
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7: How can friction loss in a system be minimised?
By adding a Tee to the piping system
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8: Which of the following is one correct method to avoid cavitation?
Reduce the friction loss in the suction pipe.
8: Which of the following is one correct method to avoid cavitation?
Increase the flow of the pump.
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8: Which of the following is one correct method to avoid cavitation?
Lower the elevation of the suction water level.
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