Hydraulics and Fluid Mechanics MCQs

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

TRUE

FALSE

Cc x Cv

Cc x Cr

Cv x Cr

Cc/Cr

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

remains constant

increases

decreases

depends upon mass of l

triangular

rectangular

square

trapezoidal

concave

convex

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

velocity of flow at the required point in a pipe

pressure difference between two points in a pipe

total pressure of liquid flowing in a pipe

discharge through a pi

less than unity

unity

between 1 and 6

none of these