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

Happy with your answers?

Submit your current answers and get the final test result.

Test results

Congratulations. You have passed the test and completed the Pump sizing
Sorry. You did not pass the Pump sizing test this time
Achieved badges:
How would you rate this course?
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
You can find the answer here >
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.
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 higher flow, it delivers a higher head.
You can find the answer here >
3: Identify the factors that are not considered for calculating the total pump head requirements?
3: Identify the factors that are not considered for calculating the total pump head requirements?
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
You can find the answer here >
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
You can find the answer here >
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?
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?
6: Identify which of the following sentences are true:
Groundwater typically requires more treatment than surface water.
You can find the answer here >
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.
You can find the answer here >
6: Identify which of the following sentences are true:
The drawdown is the difference between the static and the dynamic water level.