1.

The expression for hydraulic efficiency is given by

A. 2(V1-u)[1+cos k]u/V1*V1
B. 2(V1+u)[1+cos k]u/V1*V1
C. 2(V1-u)[1-cos k]u/V1*V1
D. 2(V1+u)[1+cos k]u/V1*V1
Answer» B. 2(V1+u)[1+cos k]u/V1*V1


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