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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Medium specific speed of turbine implies it is

Propeller turbine
Any one of the above
Impulse turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece is

0.5
0.855
0.375
0.707

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

There is no loss of energy of the liquid flowing
The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
All of these

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Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

The area is inclined
The area is horizontal
The area is vertical
All of these

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Hydraulics and Fluid Mechanics in ME
The normal stress in a fluid will be constant in all directions at a point only if

It has zero viscosity
It has uniform viscosity
It is at rest
It is incompressible

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Hydraulics and Fluid Mechanics in ME
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity

Three-fourth
One-third
One-half
Two-third

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