Question 1 of 6
Basic

How do we calculate head requirement from the pump?

Question 2 of 6
Basic

Which of the following options is true about a centrifugal pump?

Question 3 of 6
Basic

Identify the factors that are not considered for calculating the total pump head requirements?

Question 4 of 6
Basic

Which of the following parameters is determined by the amount of water to be applied during the peak period?

Question 5 of 6
Basic

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

Question 6 of 6
Basic

Identify which of the following sentences are true:

Question 6 of 6
Basic

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1: How do we calculate head requirement from the pump?
Suction lift + static water level + drawdown in the well + pressure head of the application device + friction loss in the pipes
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1: How do we calculate head requirement from the pump?
Elevation lift + static water level + drawdown in the well + pressure head of the application device + friction loss in the pipes
1: How do we calculate head requirement from the pump?
Elevation lift + static water level + drawdown in the well + pressure head of the application device - friction loss in the pipes
You can find the answer here >
2: Which of the following options is true about a centrifugal pump?
If the pump is pumping at a lower flow, it delivers a higher head.
2: Which of the following options is true about a centrifugal pump?
If the pump is pumping at a lower flow, it delivers a lower head.
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2: Which of the following options is true about a centrifugal pump?
If the pump is pumping at a higher flow, it delivers a higher head.
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3: Identify the factors that are not considered for calculating the total pump head requirements?
Friction losses
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3: Identify the factors that are not considered for calculating the total pump head requirements?
Elevation lift
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3: Identify the factors that are not considered for calculating the total pump head requirements?
Pump flow
4: Which of the following parameters is determined by the amount of water to be applied during the peak period?
The efficiency of the pump
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4: Which of the following parameters is determined by the amount of water to be applied during the peak period?
The friction loss in the irrigation system
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4: Which of the following parameters is determined by the amount of water to be applied during the peak period?
The minimum size of the pump
5: How many hours will a correctly sized pump run a day to meet the demand?
8 hours
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5: How many hours will a correctly sized pump run a day to meet the demand?
12-18 hours
5: How many hours will a correctly sized pump run a day to meet the demand?
24 hours
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6: Identify which of the following sentences are true:
Groundwater typically requires more treatment than surface water.
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6: Identify which of the following sentences are true:
To improve the filtering function, the borehole diameter must be exactly the same as the casing diameter.
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6: Identify which of the following sentences are true:
The drawdown is the difference between the static and the dynamic water level.