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Hydraulics and Fluid Mechanics in ME

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

Reaction
Up-thrust
Buoyancy
Metacentre

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Hydraulics and Fluid Mechanics in ME
Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is

greater than 2d
less than d
between 1.5 d and 2d
between d and 1.5 d

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Hydraulics and Fluid Mechanics in ME
A flow through an expanding tube at constant rate is called

Steady non-uniform flow
Steady uniform flow
Unsteady non-uniform flow
Unsteady uniform flow

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

upthrust
center of pressure
all the above are correct
buoyancy

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

0.848
0.392
0.492
0.688

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Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

All of the listed here
Suction pressure
Vacuum pressure
Negative gauge pressure

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