For a given discharge, efficiency of sedimentation tank can be increas

1.	For a given discharge, efficiency of sedimentation tank can be increased by
A.	Increasing depth of the tank
B.	Increasing surface area of the tank
C.	Decreasing the depth of the tank
D.	Decreasing the surface area of the tank
E.	Both decreasing the depth and surface area of the tank combined
Answer» C. Decreasing the depth of the tank

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For a given discharge, efficiency of sedimentation tank can be increased by

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