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Engineering
Mechanical
ME Set-1
Hydraulics and fluid mechanics
131

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.

Correct

Incorrect

Answer is:

Correct

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

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

a triangle

a paraboloid

an ellipse

none of these

Answer is:

a paraboloid

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

area of flow and wetted perimeter

wetted perimeter and diameter of pipe

velocity of flow and area of flow

none of these

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

path line

stream line

steak line

potential line

Answer is:

stream line

135) Stoke is the unit of

kinematic viscosity in C. G. S. units

kinematic viscosity in M. K. S. units

dynamic viscosity in M. K. S. units

dynamic viscosity in S. I. units

Answer is:

kinematic viscosity in C. G. S. units

Hydraulics and fluid mechanics MCQ with Answers

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