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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. If a body floating in a liquid does not return back to its original position, and heels farther "away when given a small angular displacement, the body is said to be in neutral equilibrium.

  2. A.

    Yes

    B.

    No


  3. The length of the divergent cone in a venturimeter is __________ that of the convergent cone.

  4. A.

    equal to

    B.

    double

    C.

    three to four times

    D.

    five to six times


  5. A flow through a long pipe at constant rate is called

  6. A.

    steady uniform flow

    B.

    steady non-uniform flow

    C.

    unsteady uniform flow

    D.

    unsteady non-uniform flow


  7. The volume per unit mass of a liquid is called specific volume.

  8. A.

    Yes

    B.

    No


  9. In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.

  10. A.

    Correct

    B.

    Incorrect