Home / Mechanical Engineering / Hydraulics and Fluid Mechanics :: Section 3

Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe)

  2. A.

    \(\frac { v^2 } { 2g }\)

    B.

    \(\frac {0.5 v^2 } { 2g }\)

    C.

    \(\frac { 0.375 v^2 } { 2g }\)

    D.

    \(\frac { 0.75 v^2 } { 2g }\)

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

  4. A.

    0.5 \(a \sqrt{2gH}\)

    B.

    0.707 \(a \sqrt{2gH}\)

    C.

    0.855 \(a \sqrt{2gH}\)

    D.

    \(a \sqrt{2gH}\)

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. A flow through an expanding tube at increasing rate is called unsteady non-uniform flow.

  6. A.

    Yes

    B.

    No

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. Water is __________ liquid.

  8. A.

    a compressible

    B.

    an incompressible

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will

  10. A.

    decrease

    B.

    increase

    C.

    remain unchanged

    D.

    depend upon the characteristics of liquid

    View Answer

    Workspace

    Discuss Discuss in Forum