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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The angle of taper on draft tube is

Greater than 15°
Less than 8°
Greater than 8°
Greater than 5°

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Hydraulics and Fluid Mechanics in ME
The body will float if the force of buoyancy is ___ the weight of the liquid displaced.

More than
None of the listed here
Equal to
Less than

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Hydraulics and Fluid Mechanics in ME
Capillary action is due to the

All of the listed here
Adhesion of the liquid molecules and the molecules on the surface of a solid
Surface tension
Cohesion of the liquid

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Directly proportional to H5/2
Inversely proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
The center of gravity of the volume of the liquid displaced by an immersed body is called

center of gravity
metacentre
center of buoyancy
center of pressure

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Hydraulics and Fluid Mechanics in ME
The cavitation in a hydraulic machine

Causes noise and vibration of various parts
Reduces the discharge of a turbine
Causes sudden drop in power output and efficiency
All of these

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