state two common methods of drawing out ground water ?
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The two methods of drawing out ground water are borewells and water wells.
- A borewell is a deep, narrow well for water that is drilled into the ground and has a pipe fitted as a casing in the upper part of the borehole, typically equipped with a pump to draw the water to the surface.
- A water well is a deep hole in the ground from which water is obtained.
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Two common methods of drawing out groundwater are ground wells and bore well.
Explanation:
- After a certain depth, the soil of the hole is appreciably moist. This moisture indicates the presence of water. If we dig deeper it would reach a depth in the ground where between rocks and pores in permeable rocks are filled with water.
- A "well" is simply a hole dug deep enough that it penetrates below the water table and therefore fills up with water. To retrieve the water, old wells used simple buckets on ropes. More modern wells use pumps that suck the water up the hole. Pumps can be driven manually by hand action, by an attached windmill, or by an electric motor.
- Borewell is a deep, narrow well for water that is drilled into the ground and has a pipe fitted as a casing in the upper part of the borehole, typically equipped with a pump to draw the water to the surface.
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