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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
The upper surface of a weir over which water flows is known is

nappe
crest
weir top
sill

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Hydraulics and Fluid Mechanics in ME
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity

Two-third
One-half
One-third
Three-fourth

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Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Takes place in one direction
Is steady and uniform
Takes place in curve
Takes place in straight line

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Hydraulics and Fluid Mechanics in ME
For manometer, a better liquid combination is one having

higher surface tension
surface tension is no criterion
lower surface tension
high density and viscosity

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Hydraulics and Fluid Mechanics in ME
With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on

a streamlined body
a cylinder
a sphere
a circular disc of plate held normal to flow

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