1
Identify which of the following sentences are true:
2
How do we calculate head requirement from the pump?
3
Identify the factors that are not considered for calculating the total pump head requirements?
4
What is the limit of sand in well water as recommended by US EPA and National Water Works Association?
5
Which of the following parameters is determined by the amount of water to be applied during the peak period?
6
Which of the following options is true about a centrifugal pump?
Test results
01.
Q: Identify which of the following sentences are true:
A: Groundwater typically requires more treatment than surface water.
01.
Q: Identify which of the following sentences are true:
A: To improve the filtering function, the borehole diameter must be exactly the same as the casing diameter.
01.
Q: Identify which of the following sentences are true:
A: The drawdown is the difference between the static and the dynamic water level.
02.
Q: How do we calculate head requirement from the pump?
A: Suction lift + static water level + drawdown in the well + pressure head of the application device + friction loss in the pipes
02.
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
02.
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
03.
Q: Identify the factors that are not considered for calculating the total pump head requirements?
A: Friction losses
03.
Q: Identify the factors that are not considered for calculating the total pump head requirements?
A: Elevation lift
03.
Q: Identify the factors that are not considered for calculating the total pump head requirements?
A: Pump flow
04.
Q: What is the limit of sand in well water as recommended by US EPA and National Water Works Association?
A: 10ppm
04.
Q: What is the limit of sand in well water as recommended by US EPA and National Water Works Association?
A: 15ppm
04.
Q: What is the limit of sand in well water as recommended by US EPA and National Water Works Association?
A: 20ppm
05.
Q: Which of the following parameters is determined by the amount of water to be applied during the peak period?
A: The efficiency of the pump
05.
Q: Which of the following parameters is determined by the amount of water to be applied during the peak period?
A: The friction loss in the irrigation system
05.
Q: Which of the following parameters is determined by the amount of water to be applied during the peak period?
A: The minimum size of the pump
06.
Q: Which of the following options is true about a centrifugal pump?
A: If the pump is pumping at a lower flow, it delivers a higher head.
06.
Q: Which of the following options is true about a centrifugal pump?
A: If the pump is pumping at a lower flow, it delivers a lower head.
06.
Q: Which of the following options is true about a centrifugal pump?
A: If the pump is pumping at a higher flow, it delivers a higher head.