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Chemical Engineering :: Fluid Mechanics

Fluid Mechanics - Section 1
Fluid Mechanics - Section 2
Fluid Mechanics - Section 3
Fluid Mechanics - Section 4
Fluid Mechanics - Section 5
Fluid Mechanics - Section 6
Fluid Mechanics - Section 7
Fluid Mechanics - Section 8
Fluid Mechanics - Section 9
Fluid Mechanics - Section 10
Fluid Mechanics - Section 11
Fluid Mechanics - Section 12
Fluid Mechanics - Section 13
Fluid Mechanics - Section 14
Fluid Mechanics - Section 15
Fluid Mechanics - Section 16
Fluid Mechanics - Section-17

  1. Viscosity of a liquid decreases __________ with rise in temperature.

    2. A.
    exponentially
    B.
    linearly
    C.
    logarithmically
    D.
    none of these

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  2. In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is

    3. A.
    the velocity of sound.
    B.
    dependent on its cross-sectional area.
    C.
    dependent on fluid viscosity.
    D.
    dependent on fluid density.

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  3. Discharge in laminar flow through a pipe varies

    4. A.
    as the square of the radius.
    B.
    inversely as the pressure drop.
    C.
    inversely as the viscosity.
    D.
    as the square of the diameter.

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  4. The lift of a ballon is

    5. A.
    increased, as it rises to a higher altitude.
    B.
    due to the weight of the atmospheric air, that it displaces.
    C.
    not dependent on the temperature of the atmosphere.
    D.
    none of these.

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  5. In which of the following body shapes, the pressure drag is large compared to the friction drag ?

    6. A.
    Stream line body
    B.
    Two dimensional body
    C.
    Bluff body
    D.
    None of these

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  6. Major loss in sudden contraction in pipe flow is due to

    7. A.
    boundary friction.
    B.
    flow contraction.
    C.
    expansion of flow after sudden contraction.
    D.
    none of these.

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  7. Which of the following can be used to create a flow of gas, where no significant compression is required ?

    8. A.
    Reciprocating compressor
    B.
    Blower
    C.
    Axial flow compressor
    D.
    Centrifugal compressor

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  8. The ratio of actual discharge to theoretical discharge through an orifice is equal to

    9. A.
    Cc . Cv
    B.
    Cc . Cd
    C.
    Cv . Cd
    D.
    Cd/Cv

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  9. A free jet of water of cross-sectional area 0.01m2 and a velocity of 20 m/s strikes a plate and then flows in a plane parallel to the plate as shown in the figure below. The horizontal component of the force on the support is

    10. A.
    200 N
    B.
    400 N
    C.
    2000 N
    D.
    4000 N

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  10. Cp/Cv is termed as

    11. A.
    adiabatic constant
    B.
    Mach number
    C.
    Weber number
    D.
    Prandtl number

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