Identify the true statement.
Identify the reasons for reduction in pump performance from the given options:
How can friction loss in a system be minimised?
What causes cavitation?
Identify the false statement.
Which of the following parameters is not used for calculating pump efficiency?
What are the effects of cavitation on pumps?
Test results
Congratulations. You have passed the test and completed the Basic hydraulics and pump performance
Achieved badges:
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Viscosity
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Velocity
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Volume
Q: Identify the true statement.
A: In deep-well pumps, you should check whether the pressure gauge is installed directly at the pump discharge.
Q: Identify the true statement.
A: Online monitoring equipment does not check if a parameter has changed or exceeded a preset limit.
Q: Identify the true statement.
A: If all the parameters are recorded immediately after the pump has been installed, you can use them as benchmark against future data.
Q: Identify the reasons for reduction in pump performance from the given options:
A: Bad power supply
Q: Identify the reasons for reduction in pump performance from the given options:
A: Reduction in size of irrigation zone
Q: Identify the reasons for reduction in pump performance from the given options:
A: Changes in energy requirements
Q: How can friction loss in a system be minimised?
A: By increasing the pipe diameter
Q: How can friction loss in a system be minimised?
A: By using 2 smaller pumps instead of one bigger pump
Q: How can friction loss in a system be minimised?
A: By adding a Tee to the piping system
Q: What causes cavitation?
A: Cavitation occurs when water changes its state from vapour to water at low pressure.
Q: What causes cavitation?
A: Cavitation occurs when water boils at 100°C and changes its state from water to vapour at normal atmospheric pressure.
Q: What causes cavitation?
A: Cavitation occurs when water flows through a pipe and a valve is closed quickly at a low atmospheric pressure
Q: Identify the false statement.
A: Cavitation can occur when water is flowing in a pipe and a valve is closed too quickly.
Q: Identify the false statement.
A: The MP204 device can protect the pump motor against all possible disturbances that may occur.
Q: Identify the false statement.
A: The only way to avoid sand from entering a pump is through effective filtering before the pump inlet.
Q: Which of the following parameters is not used for calculating pump efficiency?
A: Flow
Q: Which of the following parameters is not used for calculating pump efficiency?
A: Time
Q: Which of the following parameters is not used for calculating pump efficiency?
A: Pressure
Q: Which of the following parameters is not used for calculating pump efficiency?
A: Power Consumption
Q: What are the effects of cavitation on pumps?
A: Breakage of rotor
Q: What are the effects of cavitation on pumps?
A: Pitting of suction pipe
Q: What are the effects of cavitation on pumps?
A: Pitting of impeller and pump housing