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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which place in hydraulic turbine is most susceptible for cavitations?

Blade inlet
Inlet of draft rube
Guide blade
Penstock

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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

Buoyancy
Metacentre
Reaction
Up-thrust

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

Above it
Above or below depending on area of body
At same point
Below it

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Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ H²
P/ √H
P/ H
P/ H3/2

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Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

None of these
Compressible
Incompressible
Viscous

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as

Turbulent flow
Steady flow
Uniform flow
One dimensional flow

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