The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is
A)less than 1
B)equal to 1
C)greater than 1
D)equal to zero

Question

Quizplus · Accepted Answer

The average value of shear stress produced on the bed of a channel due to flowing water is generally greater than that on the banks. This is because the velocity gradient (and thus shear stress) is typically higher at the bed due to frictional effects.

The Ratio of Average Values of Shear Stresses Produced on the Bed