Question 1 of 8
Basic

Friction loss is dependent on the [xxxxxxxx] of the fluid.

Question 2 of 8
Basic

Identify the true statement.

Question 3 of 8
Basic

Identify the false statement.

Question 4 of 8
Basic

Identify the reasons for reduction in pump performance from the given options:

Question 5 of 8
Basic

Select the three parameters of most interest in water pumping systems:

Question 6 of 8
Basic

What are the effects of cavitation on pumps?

Question 7 of 8
Basic

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

Question 8 of 8
Basic

Identify the correct formula for calculating pump efficiency.

Question 8 of 8
Basic

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1: Friction loss is dependent on the [xxxxxxxx] of the fluid.
Viscosity
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1: Friction loss is dependent on the [xxxxxxxx] of the fluid.
Velocity
1: Friction loss is dependent on the [xxxxxxxx] of the fluid.
Volume
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2: 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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2: Identify the true statement.
Online monitoring equipment does not check if a parameter has changed or exceeded a preset limit.
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2: 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.
3: Identify the false statement.
Cavitation can occur when water is flowing in a pipe and a valve is closed too quickly.
3: Identify the false statement.
The MP204 device can protect the pump motor against all possible disturbances that may occur.
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3: 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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4: Identify the reasons for reduction in pump performance from the given options:
Bad power supply
4: Identify the reasons for reduction in pump performance from the given options:
Reduction in size of irrigation zone
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4: Identify the reasons for reduction in pump performance from the given options:
Changes in energy requirements
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5: Select the three parameters of most interest in water pumping systems:
Flow, head and energy
5: Select the three parameters of most interest in water pumping systems:
Flow, conductivity and head
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5: Select the three parameters of most interest in water pumping systems:
Head, turbidity and velocity
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6: What are the effects of cavitation on pumps?
Breakage of rotor
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6: What are the effects of cavitation on pumps?
Pitting of suction pipe
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6: What are the effects of cavitation on pumps?
Pitting of impeller and pump housing
7: Which of the following is one correct method to avoid cavitation?
Reduce the friction loss in the suction pipe.
7: Which of the following is one correct method to avoid cavitation?
Increase the flow of the pump.
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7: Which of the following is one correct method to avoid cavitation?
Lower the elevation of the suction water level.
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8: Identify the correct formula for calculating pump efficiency.
(P1 × Q)/(c × H)
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8: Identify the correct formula for calculating pump efficiency.
(p x H × Q)/(c × P1)
8: Identify the correct formula for calculating pump efficiency.
(H × P1)/(c × Q)
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