Home / Mechanical Engineering / Hydraulics and Fluid Mechanics :: Section 5

Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. The product of mass and accelaration of flowing liquid is called

  2. A.

    inertia force

    B.

    viscous force

    C.

    gravity force

    D.

    pressure force

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice)

  4. A.

    Q = Cd x bH\(\sqrt{2gh}\)

    B.

    Q = Cd x bH2 \(\sqrt{2gh}\)

    C.

    Q = Cd x b ( H2 - H1 )\(\sqrt{2gh}\)

    D.

    Q = Cd x bH \(\sqrt{2gh}\)

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. If the value of coefficient of discharge increases, the discharge through the orifice decreases.

  6. A.

    True

    B.

    False

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. A point, in a compressible flow where the velocity of fluid is zero, is called

  8. A.

    critical point

    B.

    vena contracta

    C.

    stagnation point

    D.

    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Falling drops of water become spheres due to the property of

  10. A.

    surface tension of water

    B.

    compressibility of water

    C.

    capillarity of water

    D.

    viscosity of water

    View Answer

    Workspace

    Discuss Discuss in Forum