1.

Drilled wells can be excavated by simple hand drilling methods.(a) True(b) FalseThe question was asked during an interview.The doubt is from Wells in portion Irrigation Works, Culverts, Bridges and Wells of Civil Engineering Drawing

Answer»

Correct OPTION is (a) True

Best explanation: (augering, sludging, jetting, DRIVING, hand PERCUSSION) or machine drilling (rotary, percussion, down the hole hammer). Deeprock rotary drilling method is most common. Rotary can be used in 90% of formation types.

Drilled wells can GET WATER from a much deeper level than dug wells can—often down to several hundred metres.



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