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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Froude's number
Weber's number
Reynold's number
Euler's number

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
1.2
0.8
1

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v²)]/g
[wa (V - v)]/g
[wa (V - v)]/2g
[wa (V - v)²]/2g

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Hydraulics and Fluid Mechanics in ME
Centre of pressure compared to e.g. is

below it
above it
at same point
above or below depending on area of body

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Hydraulics and Fluid Mechanics in ME
The stress-strain relation of the Newtonian fluid is

Linear
Hyperbolic
Parabolic
Inverse type

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Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in meatcentric height will be

Lower/higher depending on weight of body
Same
Lower
Higher

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