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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race.

Difference
None of these
Sum
Product

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Hydraulics and Fluid Mechanics in ME
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as

Normal speed
Unit speed
Specific speed
None of these

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Hydraulics and Fluid Mechanics in ME
A notch is used to measure __________ of liquids.

Pressure
Volume
Velocity
Discharge

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Hydraulics and Fluid Mechanics in ME
The tendency of a liquid surface to contract is due to the following property

cohesion
adhesion
viscosity
surface tension

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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
Up-thrust
Metacentre
Reaction

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Hydraulics and Fluid Mechanics in ME
In case of an airfoil, the separation of flow occurs

at the extreme rear of body
at the extreme front of body
any where between rear and front of body depending upon Reynolds number
midway between rear and front of body

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