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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece depends upon

Pressure of liquid
Area of mouthpiece
Length of mouthpiece
Velocity of liquid

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Hydraulics and Fluid Mechanics in ME
A streamline is defined as the line

of equal yelocity in a flow
parallel to central axis flow
along which the pressure drop is uniform
parallel to outer surface of pipe

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Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
h
h/w
wh

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Hydraulics and Fluid Mechanics in ME
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to

Cos θ
1/Cosθ
1/Sinθ
Sinθ

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Real
Non-Newtonian
Ideal

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will

Partly immersed
Sink to bottom
Be fully immersed with top surface at fluid surface
Float over fluid

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