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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. Froude number is the ratio of

    2. A.
    shear stress to gravitational stress.
    B.
    drag stress to shear stress.
    C.
    inertial stress to shear stress.
    D.
    inertial stress to gravitational stress.

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  2. Normal depth in open channel flow is the depth of flow in the channel

    3. A.
    corresponding to uniform flow.
    B.
    measured normal to the channel bed.
    C.
    corresponding to steady flow.
    D.
    none of these.

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  3. Which of the following flow measuring devices is an area meter ?

    4. A.
    Venturimeter
    B.
    Orifice meter
    C.
    Anemometer
    D.
    Rotameter

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  4. With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity

    5. A.
    widens
    B.
    squeezes
    C.
    does not change
    D.
    unpredictable from the data

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  5. Diaphragm valves are used for handling __________ fluids.

    6. A.
    corrosive
    B.
    viscous
    C.
    non-Newtonion
    D.
    solid suspended

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  6. The schedule number of a pipe is an indication of its

    7. A.
    size
    B.
    roughness
    C.
    material density
    D.
    wall thickness

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  7. Minimum porosity for fluidisation is

    8. A.
    that corresponding to static bed.
    B.
    that corresponding to completely fluidised bed.
    C.
    the porosity of the bed when true fluidisation begins.
    D.
    less than that of the' static bed.

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  8. A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

    9. A.
    increase
    B.
    decrease
    C.
    remain same
    D.
    data insufficient to predict

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  9. Steady non-uniform flow is exemplified by flow through a/an

    10. A.
    long pipe at constant rate.
    B.
    long pipe at decreasing rate.
    C.
    expanding tube at increasing rate.
    D.
    expanding tube at constant rate.

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  10. The maximum depth from which a centrifugal pump can draw water is

    11. A.
    dependent on the speed of the pump.
    B.
    dependent on the power of the pump.
    C.
    34 feet.
    D.
    150 feet.

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