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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

Reaction
Buoyancy
Metacentre
Up-thrust

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Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

free vortex at center and forced vortex outside
forced vortex motion
forced vortex at center and free vortex outside
free vortex motion

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Hydraulics and Fluid Mechanics in ME
Euler's number is the ratio of __________ force to pressure force.

Gravity
None of these
Inertia
Viscous

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.116 stoke
0.0116 stoke
0.611 stoke
0.0611 stoke

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Hydraulics and Fluid Mechanics in ME
A Francis turbine is used when the available head of water is

Above 250 m
25 m to 250 m
0 to 25 m
None of these

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.

Unstable
Neutral
Stable
None of these

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