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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. In frictional fluid flow, the quantity, , is

    2. A.
    constant along a streamline.
    B.
    not constant along a streamline.
    C.
    increased in the direction of flow.
    D.
    none of these.

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  2. Hydraulic radius is the ratio of

    3. A.
    wetted perimeter to flow area.
    B.
    flow area to wetted perimeter.
    C.
    flow area to square of wetted perimeter.
    D.
    square root of flow area to wetted perimeter.

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  3. The unit of bulk modulus of elasticity for a liquid in S.I. unit is

    4. A.
    N
    B.
    N/m
    C.
    N/m2
    D.
    N/m3

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  4. Power requirement of fans having constant wheel diameter varies __________ fan speed.

    5. A.
    as square of
    B.
    directly as
    C.
    as cube of
    D.
    none of these

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  5. In the low Reynolds number region, the drag force on a sphere is proportional to

    6. A.
    V
    B.
    V2
    C.
    V4
    D.
    V0.5

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  6. The continuity equation

    7. A.
    is independent of the compressibility of the fluid.
    B.
    is dependent upon the viscosity of the fluid.
    C.
    represents the conservation of mass.
    D.
    none of these.

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  7. Experimental study of laminar fluid flow through a circular tube was conducted by

    8. A.
    Reynolds
    B.
    Hagen and Poiseuille
    C.
    Pascal
    D.
    Blake-Plummer

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  8. The most economical flow control valve for use with large diameter pipes is a

    9. A.
    butterfly valve
    B.
    globe valve
    C.
    needle valve
    D.
    none of these

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  9. Each term in Bernaulli's equation represents the __________ of the fluid.

    10. A.
    energy per unit mass
    B.
    energy per unit weight
    C.
    force per unit mass
    D.
    none of these

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  10. Which of the following is a dimensionless parameter ?

    11. A.
    Angular velocity
    B.
    Specific weight
    C.
    Kinematic viscosity
    D.
    None of these

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