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Mechanical Engineering :: Hydraulics and Fluid Mechanics

Hydraulics and Fluid Mechanics - Section 1
Hydraulics and Fluid Mechanics - Section 2
Hydraulics and Fluid Mechanics - Section 3
Hydraulics and Fluid Mechanics - Section 4
Hydraulics and Fluid Mechanics - Section 5
Hydraulics and Fluid Mechanics - Section 6
Hydraulics and Fluid Mechanics - Section 7
Hydraulics and Fluid Mechanics - Section 8
Hydraulics and Fluid Mechanics - section-5

  1. When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

    2. A.

    Pascal's law
    B.

    Archimede's principle
    C.

    principle of floatation
    D.

    Bernoulli's theorem

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  2. The pressure at a stagnation point is always low.

    3. A.

    Agree
    B.

    Disagree

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  3. When an internal mouthpiece is running full, the discharge through the mouthpiece is twice the discharge when it is running free.

    4. A.

    Correct
    B.

    Incorrect

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  4. In two dimensional flow, the flow does not take place in a curve.

    5. A.

    True
    B.

    False

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  5. In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

    6. A.

    \(\frac { 1 } { 16 } to \frac {1}{8}\)
    B.

    \(\frac { 1 } {8} to \frac {1}{4}\)
    C.

    \(\frac { 1 } { 4 } to \frac {1}{3}\)
    D.

    \(\frac { 1 } {3} to \frac {1}{2}\)

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