1. Continuity equation is based on the principle of

[A] Conservation of momentum
[B] Conservation of energy
[C] Conservation of mass
[D] None of the above

Answer: Option C

 

 
2. Path lines refer to the motion of identified fluid particles of elements and therefore constitute a feature of the 
[A] Lagrangian Approach
[B] Rayleigh’s Approach
[C] Eulerian Approach
[D] None of the above
Answer: Option A

 

3. A flow net is a graphical representation of streamlines and equipotential lines such that these lines
[A] Indicate the direction and magnitude of vector
[B] Intersect each other at various different angles forming irregular-shaped nets
[C] Intersect each other orthogonally curvilinear squares
[D] None of above

Answer: Option C

 

4. A flow in which the velocities of liquid particles at all sections of the pipe or channel are equal is called as 
[A] Uniform flow
[B] Laminar flow
[C] Turbulent flow
[D] Unsteady flow

Answer: Option A

 

5. When compared to a streamlined body, a bluff body will have
[A] More pressure drag and more friction drag
[B] Less pressure drag and more friction drag
[C] More pressure drag and less friction drag
[D] Less pressure drag and less friction drag

Answer: Option C
 

 

FLUID MECHANICS MCQs 👇

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