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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

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

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Hydraulics and Fluid Mechanics in ME
A large Reynold number is indication of

Highly turbulent flow
Steady flow
Smooth and streamline flow
Laminar flow

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v)²]/2g
[wa (V - v)]/g
[wa (V - v)]/2g
[wa (V - v²)]/g

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Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

4.171 H5/2
7.141 H5/2
1.417 H5/2
0.417 H5/2

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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

Sinθ
Cos θ
1/Sinθ
1/Cosθ

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

Ideal
Non-Newtonian
Newtonian
Real

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