1.

The maximum quantity of water expected in one the longitudinal drains on clayey soil is 0.9 cum/s. If the Manning's roughness coefficient is 0.02 and allowable velocity of flow is 1.2 m/s, then the cross sectional area (in sq. m) would be

A. 0.02
B. 0.75
C. 45
D. 1.33
E. 0.03
Answer» C. 45


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