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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)

  2. A.

    w

    B.

    wh

    C.

    w/h

    D.

    h/w

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  3. The hydraulic gradient line is always parallel to the centre line of the pipe.

  4. A.

    Correct

    B.

    Incorrect

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  5. Barometer is used to measure

  6. A.

    velocity of liquid

    B.

    atmospheric pressure

    C.

    pressure in pipes and channels

    D.

    difference of pressure between two points in a pipe

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  7. A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.

  8. A.

    Correct

    B.

    Incorrect

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  9. The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is

  10. A.

    200 kg/m3

    B.

    400 kg/m3

    C.

    600 kg/m3

    D.

    800 kg/m3

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