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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. A thick liquid like a syrup has a __________ viscosity than a light liquid like water.

    2. A.

    lesser
    B.

    greater

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  2. The total pressure on the top of a closed cylindrical vessel competely filled up with a liquid is

    3. A.

    directly proportional to (radius)2
    B.

    inversely proportional to (radius)2
    C.

    directly proportional to (radius)4
    D.

    inversely proportional to (radius)4

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  3. Poise is the unit of viscosity in C.G.S. system of units.

    4. A.

    Agree
    B.

    Disagree

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  4. The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

    5. A.

    0.34 times
    B.

    0.67 times
    C.

    0.81 times
    D.

    0.95 times

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  5. When the Mach number is more than 6, the flow is called

    6. A.

    sub-sonic flow
    B.

    sonic flow
    C.

    super-sonic flow
    D.

    hyper-sonic flow

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