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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The shear stress between the two liquid layers is __________ proportional to the distance between two layers.

None of these
Inversely
Directly
Both A and B

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Underground flow
Flow of oil in measuring instruments
Flow past tiny bodies
All of these

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

is large when fluid is more compressible
increases with pressure
is independent of pressure and viscosity
has the dimensions of 1/pressure

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is turbulent when Reynold number is

Between 2000 and 2800
Less than 2000
More than 2800
None of these

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

None of these
0.25
0.5
1

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Hydraulics and Fluid Mechanics in ME
Francis turbine is best suited for

Low head installation up to 30 m
Medium head application from 24 to 180 m
All types of heads
High head installation above 180 m

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