8 questions Basic

### 13 - 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.

Question 1 of 8 Basic

Identify the correct formula for calculating pump efficiency.

Question 2 of 8 Basic

How can friction loss in a system be minimised?

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

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

Question 5 of 8 Basic

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

Question 6 of 8 Basic

Identify the false statement.

Question 7 of 8 Basic

Which of the following is one correct method to avoid cavitation?

Question 8 of 8 Basic

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

Question 8 of 8 Basic

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Q: Identify the correct formula for calculating pump efficiency.
A: (P1 × Q)/(c × H)
02: (p x H × Q)/(c × P1)
03: (H × P1)/(c × Q)
Q: Identify the correct formula for calculating pump efficiency.
A: (p x H × Q)/(c × P1)
Q: Identify the correct formula for calculating pump efficiency.
A: (H × P1)/(c × Q)
01: (P1 × Q)/(c × H)
02: (p x H × Q)/(c × P1)
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
01: By increasing the pipe diameter
03: By adding a Tee to the piping system
Q: How can friction loss in a system be minimised?
A: By adding a Tee to the piping system
01: By increasing the pipe diameter
02: By using 2 smaller pumps instead of one bigger pump
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
01: Temperature sensors
03: Insulation 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: Insulation system
01: Temperature sensors
02: Signal wire
Q: How is the relationship between these three factors described in an equation?
A: P = Q x H x c
Q: How is the relationship between these three factors described in an equation?
A: Q = H x P x c
01: P = Q x H x c
03: P = Q/H x c
Q: How is the relationship between these three factors described in an equation?
A: P = Q/H x c
01: P = Q x H x c
02: Q = H x P x c
Q: Friction loss is dependent on the [xxxxxxxx] of the fluid.
A: Viscosity
02: Velocity
03: Volume
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
01: Viscosity
02: 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.
01: Cavitation can occur when water is flowing in a pipe and a valve is closed too quickly.
02: The MP204 device can protect the pump motor against all possible disturbances that may occur. Your answer
03: The only way to avoid sand from entering a pump is through effective filtering before the pump inlet.
Q: Identify the false statement.
A: The only way to avoid sand from entering a pump is through effective filtering before the pump inlet.
01: Cavitation can occur when water is flowing in a pipe and a valve is closed too quickly.
02: The MP204 device can protect the pump motor against all possible disturbances that may occur.
03: The only way to avoid sand from entering a pump is through effective filtering before the pump inlet. Your answer
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.
01: Reduce the friction loss in the suction pipe.
03: Lower the elevation of the suction water level.
Q: Which of the following is one correct method to avoid cavitation?
A: Lower the elevation of the suction water level.
01: Reduce the friction loss in the suction pipe.
02: Increase the flow of the pump.