8 questions Basic

ECADEMY test

Basic hydraulics and pump performance

This course test contains 8 questions and can be retaken at any time.

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Question 1 of 8 Basic

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

Question 3 of 8 Basic

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

Question 4 of 8 Basic

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

Question 7 of 8 Basic

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

Question 8 of 8 Basic

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Correct
01.
Q: Identify the reasons for reduction in pump performance from the given options:
A: Bad power supply
Correct
02.
Q: Identify the false statement.
A: Cavitation can occur when water is flowing in a pipe and a valve is closed too quickly.
Correct
03.
Q: How is the relationship between these three factors described in an equation?
A: P = Q x H x c
Correct
04.
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Velocity
Correct
05.
Q: What causes cavitation?
A: Cavitation occurs when water changes its state from vapour to water at low pressure.
Correct
06.
Q: How can friction loss in a system be minimised?
A: By increasing the pipe diameter
Correct
07.
Q: Select the three parameters of most interest in water pumping systems:
A: Flow, head and energy
Correct
08.
Q: Which of the following is one correct method to avoid cavitation?
A: Reduce the friction loss in the suction pipe.