Question 1 of 8
Basic

How can friction loss in a system be minimised?

Question 2 of 8
Basic

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

Question 3 of 8
Basic

Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:

Question 4 of 8
Basic

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

Question 5 of 8
Basic

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

Question 6 of 8
Basic

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

Question 7 of 8
Basic

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

Question 8 of 8
Basic

Identify the true statement.

Question 8 of 8
Basic

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1: How can friction loss in a system be minimised?
By increasing the pipe diameter
1: How can friction loss in a system be minimised?
By using 2 smaller pumps instead of one bigger pump
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1: How can friction loss in a system be minimised?
By adding a Tee to the piping system
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2: Identify the reasons for reduction in pump performance from the given options:
Bad power supply
2: Identify the reasons for reduction in pump performance from the given options:
Reduction in size of irrigation zone
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2: Identify the reasons for reduction in pump performance from the given options:
Changes in energy requirements
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3: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
Temperature sensors
3: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
Signal wire
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3: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
Insulation system
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4: Friction loss is dependent on the [xxxxxxxx] of the fluid.
Viscosity
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4: Friction loss is dependent on the [xxxxxxxx] of the fluid.
Velocity
4: Friction loss is dependent on the [xxxxxxxx] of the fluid.
Volume
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5: Which of the following parameters is not used for calculating pump efficiency?
Flow
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5: Which of the following parameters is not used for calculating pump efficiency?
Time
5: Which of the following parameters is not used for calculating pump efficiency?
Pressure
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5: Which of the following parameters is not used for calculating pump efficiency?
Power Consumption
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6: How is the relationship between these three factors described in an equation?
P = Q x H x c
6: How is the relationship between these three factors described in an equation?
Q = H x P x c
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6: How is the relationship between these three factors described in an equation?
P = Q/H x c
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7: Select the three parameters of most interest in water pumping systems:
Flow, head and energy
7: Select the three parameters of most interest in water pumping systems:
Flow, conductivity and head
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7: Select the three parameters of most interest in water pumping systems:
Head, turbidity and velocity
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8: 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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8: Identify the true statement.
Online monitoring equipment does not check if a parameter has changed or exceeded a preset limit.
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8: 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.