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Q: Which of the following methods can be used to lower the water table by using gravity flow?
  • A. Well point system
  • B. Water suction method
  • C. Dewatering
  • D. Dehydration
Correct Answer: Option A - Well point system–Generally well point system can be used to lower the water table and this process is based on gravity flow. →Ground water table may be lowered by following methods– • Vacuum method • Well point system • Electro-osmosis method. → The suction pump used in the well point system has a capacity of bringing water to the surface from a minimum depth about 6 m. → In well point system for suction of water auxiliary pump is used.
A. Well point system–Generally well point system can be used to lower the water table and this process is based on gravity flow. →Ground water table may be lowered by following methods– • Vacuum method • Well point system • Electro-osmosis method. → The suction pump used in the well point system has a capacity of bringing water to the surface from a minimum depth about 6 m. → In well point system for suction of water auxiliary pump is used.

Explanations:

Well point system–Generally well point system can be used to lower the water table and this process is based on gravity flow. →Ground water table may be lowered by following methods– • Vacuum method • Well point system • Electro-osmosis method. → The suction pump used in the well point system has a capacity of bringing water to the surface from a minimum depth about 6 m. → In well point system for suction of water auxiliary pump is used.