This article throws light upon the top seven methods used for construction of wells. The methods are: 1. Digging 2. Boring 3. Driving 4. Jetting 5. Cable Tool Drilling 6. Direct Rotary Drilling 7. Reverse Rotary Drilling. Method # 1. Digging: Wells in shallow and unconsolidated glacial and alluvial aquifers can be dug by hand […]
The major types of variable displacement pumps are as follows: 1. Centrifugal Pumps 2. Jet Pumps 3. Air-Lift Pumps. Type # 1. Centrifugal Pumps: Centrifugal pumps are the most popular types of variable displacement pumps. They are capable of delivering large volumes of water against high as well as low heads with good efficiency. Besides, […]
This article provides a paragraph on well irrigation. The amount of water stored in the earth’s crust is estimated to be around 8 billion cubic kilometres, half of which is at depths less than 800 metres. This volume of water is about 35 times the combined storage of all the world’s rivers, fresh water lakes, […]
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