Hydraulics and fluid mechanics MCQ with Answers

Hydraulics and fluid mechanics MCQ with Answers

131) All the gases are considered to have compressible flow and all the liquids are considered to have incompressible flow.

Answer is:

Correct

132) When a cylindrical vessel containing liquid is revolved, the surface of the liquid takes the shape of

Answer is:

a paraboloid

133) The hydraulic mean depth or the hydraulic radius is the ratio of

Answer is:

area of flow and wetted perimeter

134) The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as

Answer is:

stream line

135) Stoke is the unit of

Answer is:

kinematic viscosity in C. G. S. units

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