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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

more
less
less at low temperature and more at high temperature
equal

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

None of these
Less than
Same as
More than

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Hydraulics and Fluid Mechanics in ME
The volumetric change of the fluid caused by a resistance is known as

Volumetric index
Volumetric strain
Compressibility
Adhesion

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

buoyancy
center of pressure
upthrust
all the above are correct

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Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

49.2%
39.2%
84.8%
68.8%

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Hydraulics and Fluid Mechanics in ME
Motion of a liquid in a volute casing of a centrifugal pump is an example of

Radial
Forced spiral vortex flow
Spiral vortex flow
Rotational flow

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