Select the correct statement

Weber’s number is the ratio of inertia force to elastic force.
Weber’s number is the ratio of gravity force to surface tension force.
Weber’s number is the ratio of viscous force to pressure force.
Weber’s number is the
✅ The correct answer is option D.

The discharge through a channel of trapezoidal section is maximum when

width of channel at the top is equal to twice the width at the bottom
depth of channel is equal to the width at the bottom
the sloping side is equal to half the width at the top
the sloping side is eq
✅ The correct answer is option C.

The Euler’s equation for the motion of liquids is based upon the assumption that

the fluid is non – viscous, homogeneous and incompressible
the velocity of flow is uniform over the section
the flow is continuous, steady and along the stream line
all of the above
✅ The correct answer is option D.