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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

1
0.8
0.75
1.2

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Hydraulics and Fluid Mechanics in ME
The rise or depression of liquid in a tube due to surface tension will increase in size of tube will

May increase or decrease depending on the characteristics of liquid
Remain unaffected
Decrease
Increase

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Hydraulics and Fluid Mechanics in ME
Air vessels in reciprocating pump are used to

Save pump from cavitations
Increase pump efficiency
Reduce acceleration to minimum
Smoothen flow

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Hydraulics and Fluid Mechanics in ME
A hydraulic coupling belongs to the category of

Power absorbing machines
Power developing machines
Energy generating machines
Energy transfer machines

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

boundary layer theory
continuity equation
Newton’s law of viscosity
Pascal law

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Hydraulics and Fluid Mechanics in ME
Viscosity of water in comparison to mercury is

Lower
Higher
Same
Higher/lower depending on temperature

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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