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HYDRAULICS AND FLUID MECHANICS IN ME

Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Kinematic viscosity in C. G. S. units
Dynamic viscosity in S. I. units
Kinematic viscosity in M. K. S. units
Dynamic viscosity in M. K. S. units

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Hydraulics and Fluid Mechanics in ME
The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be

4 m of water column
3.5 metres of water column
3 metres of water column
2 metres of water column

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Hydraulics and Fluid Mechanics in ME
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

Higher than the surface of liquid
The same as the surface of liquid
Lower than the surface of liquid
Unpredictable

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Steady
Uniform
Laminar
Unsteady

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ω rad/s, then depth of parabola which the liquid assumes is

ω.r/4g
ω².r²/2g
ω².r²/4g
ω.r/2g

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