For a most economical rectangular channel, the width of the channel must be
Options
A. equal to depth of flow
B. twice the depth of flow
C. half the depth of flow
D. None of these.
Correct Answer
twice the depth of flow
Hydraulics problems
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1. If a1 and a2 are the cross-sectional areas of a tank and orifice, h the height of water level in tank above the centre of the orifice, the velocity of approach is given by
3. The ratio of time for completely emptying the hemispherical tank and circular horizontal tank of equal radii both fitted with similar orifices at their bottoms is :
10. The initial difference between liquid levels of two identical cylindrical vessels having their area of cross-section A, is H. Flow time T from one vessel to another through an orifice having coefficient of discharge Cd and area a will be
