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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

kg-sec/meter
Meters² per sec
Newton-sec per meter²
Newton-sec per meter

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Hydraulics and Fluid Mechanics in ME
The horizontal component of buoyant force is

Negligible
None of these
Zero
Same as buoyant force

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

turbulent flow
laminar flow
steady flow
non-uniform flow

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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

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

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Increase in volume to the viscosity of fluid
Increase in pressure to the volumetric strain
Shear stress to shear strain
Critical velocity to the viscosity of fluid

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Hydraulics and Fluid Mechanics in ME
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

Plane
Concave
None of these
Convex

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