1.

Derivation of Thiem's formula is based on the assumption

A. the aquifer is homogeneous, isotropic and of infinite depth and area
B. the well is sunk through the full depth of the aquifer
C. the flow lines are radial and horizontal, and the flow is laminar
D. for hydraulic gradient in Darcy's equation, tangent value is used for sine value
E. all the above.
Answer» F.


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