What does a cone of depression indicate in a groundwater well?
A. Increase in water level
B. Water contamination
C. Lowering of the water table
D. Surface flooding
Answer: Option C
Solution (By Examveda Team)
A cone of depression is the lowered zone of the water table around a pumping well, caused by withdrawal of groundwater.This Question Belongs to Geological Engineering >> Groundwater And Hydrogeology
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