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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

More than
Same as
Less than
None of these

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Hydraulics and Fluid Mechanics in ME
The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to

0.1
0.0001
0.01
0.001

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

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

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Hydraulics and Fluid Mechanics in ME
Metacentric height for small values of angle of heel is the distance between the

free surface and centre of buoyancy
centre of gravity and centre of buoy-ancy
centre of gravity and metacentre
centre of buoyancy and metacentre

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

0.5
None of these
0.25
1

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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
slightly less
slightly more
nearly half

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