Identify the correct formula for calculating pump efficiency.
How can friction loss in a system be minimised?
Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
Select the three parameters of most interest in water pumping systems:
Identify the false statement.
Which of the following parameters is not used for calculating pump efficiency?
Which of the following is one correct method to avoid cavitation?
Test results
Congratulations. You have passed the test and completed the 13 - Basic hydraulics and pump performance
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Q: Identify the correct formula for calculating pump efficiency.
A: (P1 × Q)/(c × H)
Q: Identify the correct formula for calculating pump efficiency.
A: (p x H × Q)/(367 × P1)
Q: Identify the correct formula for calculating pump efficiency.
A: (H × P1)/(c × Q)
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: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
A: Temperature sensors
Q: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
A: Signal wire
Q: Which of the following items are built-in in some motors and can stop the motor if it exceeds a preset temperature:
A: Insulation system
Q: Select the three parameters of most interest in water pumping systems:
A: Flow, head and energy
Q: Select the three parameters of most interest in water pumping systems:
A: Flow, conductivity and head
Q: Select the three parameters of most interest in water pumping systems:
A: Head, turbidity and velocity
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: 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: Which of the following is one correct method to avoid cavitation?
A: Reduce the friction loss in the suction pipe.
Q: Which of the following is one correct method to avoid cavitation?
A: Increase the flow of the pump.
Q: Which of the following is one correct method to avoid cavitation?
A: Lower the elevation of the suction water level.