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Civil Engineering :: Hydraulics and Fluid Mechanics - Civil Engineering

Hydraulics and Fluid Mechanics - Civil Engineering - section-1
  1. Piezometer is used to measure

    2. A.

     pressure in pipe, channels etc
    B.

     atmospheric pressure
    C.

     very low pressures
    D.

     difference of pressure between two points

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  2. Barometer is used to measure

    3. A.

     pressure in pipes, channels etc
    B.

     atmospheric pressure
    C.

     very low pressure
    D.

     difference of pressure between two points

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  3. Differential monometer is used to measure

    4. A.

     pressure in pipes, channels etc
    B.

     atmospheric pressure
    C.

     very low pressure
    D.

     difference of pressure between two points

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  4. Manometer is used to measure

    5. A.

     pressure in pipes, channels etc
    B.

     atmospheric pressure
    C.

     very low pressure
    D.

     difference of pressure between two points

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  5. Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

    6. A.

     slightly less
    B.

     slightly more
    C.

     nearly half
    D.

     equal

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  6. Dynamic viscosity of most of the liquids with rise in temperature

    7. A.

     increases
    B.

     decreases
    C.

     remains unaffected
    D.

     unpredictable

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  7. Dynamic viscosity of most of the gases with rise in temperature

    8. A.

     increases
    B.

     decreases
    C.

     remains unaffected
    D.

     unpredictable

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  8. Poise is the unit of

    9. A.

     surface tension
    B.

     capillarity
    C.

     viscosity
    D.

     shear stress in fluids

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  9. The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will

    10. A.

     increase
    B.

     remain unaffected
    C.

     may increase or decrease depending on the characteristics of liquid
    D.

     decrease

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  10. Viscosity of water in comparison to mercury is

    11. A.

     higher
    B.

     lower
    C.

     same
    D.

     higher/lower depending on temperature

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