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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Reynold's number
Weber's number
Euler's number
Froude's number

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

steady flow
one dimensional flow
uniform flow
turbulent flow

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

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

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies

Cube of fan speed
Directly as fan speed
Square root of fan speed
Square of fan speed

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.7666
0.5
0.567
0.6667

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at decreasing rate is called __________ uniform flow.

None of these
Steady
Unsteady
Both A and B

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