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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called

  2. A.

    steady flow

    B.

    uniform flow

    C.

    streamline flow

    D.

    turbulent flow

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  3. A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

  4. A.

    coincides with its centre of gravity

    B.

    lies above its centre of gravity

    C.

    lies below its centre of gravity

    D.

    lies between the centre of buoyancy and centre of gravity

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  5. One cubic metre of water weighs

  6. A.

    100 litres

    B.

    250 litres

    C.

    500 litres

    D.

    1000 litres

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  7. Surface tension force is the product of surface tension per unit length and cross-sectional area of flow.

  8. A.

    Correct

    B.

    Incorrect

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  9. An average value of coefficient of velocity is

  10. A.

    0.62

    B.

    0.76

    C.

    0.84

    D.

    0.97

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