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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

43924
1
2

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

equal
nearly half
slightly less
slightly more

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Hydraulics and Fluid Mechanics in ME
Differential monometer is used to measure

very low pressure
atmospheric pressure
pressure in pipes, channels etc
difference of pressure between two points

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Hydraulics and Fluid Mechanics in ME
The centre of pressure acts __________ the centre of gravity of immersed surface.

Above
Below
None of these
At

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Hydraulics and Fluid Mechanics in ME
When the flow parameters at any given instant remain same at every point, then flow is said to be

uniform
steady state
quasi static
laminar

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Vortex flow
Turbulent flow
Steady flow
Uniform flow

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