6 questions Basic

ECADEMY test

Pump sizing

This course test contains 6 questions and can be retaken at any time.

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Question 2 of 6 Basic

How many hours will a correctly sized pump run a day to meet the demand?

Question 6 of 6 Basic

What is the limit of sand in well water as recommended by US EPA and National Water Works Association?

Question 6 of 6 Basic

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Correct
Q: What are the two factors that should be ensured when the total head for a ground water pump is calculated?
A: There is no suction lift. Instead there is static water table and the drawdown has to be added to the elevation lift.
Correct
Q: How many hours will a correctly sized pump run a day to meet the demand?
A: 12-18 hours
Correct
Q: What determines the minimum flow of a pump?
A: The amount of water that needs to be applied to the crops during peak periods.
Correct
Q: How do we calculate head requirement from the pump?
A: Elevation lift + static water level + drawdown in the well + pressure head of the application device + friction loss in the pipes
Correct
Q: Identify which of the following sentences are true:
A: The drawdown is the difference between the static and the dynamic water level.
Correct
Q: What is the limit of sand in well water as recommended by US EPA and National Water Works Association?
A: 15ppm