8 questions Basic

ECADEMY test

Basic hydraulics and pump performance

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

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 8 Basic

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

Question 3 of 8 Basic

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

Question 4 of 8 Basic

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

Question 5 of 8 Basic

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

Question 7 of 8 Basic

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

Question 8 of 8 Basic

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Correct
Q: Select the three parameters of most interest in water pumping systems:
A: Flow, head and energy
Correct
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.
Correct
Q: Identify the reasons for reduction in pump performance from the given options:
A: Bad power supply
Correct
Q: How is the relationship between these three factors described in an equation?
A: P = Q x H x c
Correct
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Velocity
Correct
Q: How can friction loss in a system be minimised?
A: By increasing the pipe diameter
Correct
Q: Which of the following parameters is not used for calculating pump efficiency?
A: Time
Correct
Q: What causes cavitation?
A: Cavitation occurs when water changes its state from vapour to water at low pressure.