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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. The Francis formula for the discharge over Cippoletti weir is

    2. A.

    1.84 LH1/2
    B.

    1.84 LH
    C.

    1.84 LH3/2
    D.

    1.84 LH5/2

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  2. Laminar flow __________ place at very low velocities.

    3. A.

    takes
    B.

    does not take

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  3. A manometer can be used to measure vacuum pressures.

    4. A.

    Agree
    B.

    disagree

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  4. The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by

    5. A.

    \(\frac { dQ } { Q } = \frac {1} {2} \times \frac { dH } { H }\)
    B.

    \(\frac { dQ } { Q } = \frac {3} {4} \times \frac { dH } { H }\)
    C.

    \(\frac { dQ } { Q } = \frac { dH } { H }\)
    D.

    \( \frac { dQ } { Q } = \frac {3} {2} \times \frac { dH } { H }\)

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  5. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy.

    6. A.

    Agree
    B.

    Disagree

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