1.

The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of

A. 0.1 h and 0.9 h
B. 0.2 h and 0.8 h
C. 0.3 h and 0.7 h
D. 0.4 h and 0.6 h.
Answer» C. 0.3 h and 0.7 h


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