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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

non-steady uniform
steady non-uniform
steady uniform
non-steady non-uniform

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Hydraulics and Fluid Mechanics in ME
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

4/RN
64/RN
16/RN
1/RN

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Hydraulics and Fluid Mechanics in ME
A nozzle placed at the end of a water pipe line discharges water at a

Low pressure
Low velocity
High velocity
High pressure

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

Steady flow
Smooth and streamline flow
Highly turbulent flow
Laminar flow

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must fulfill the following

Newton’s law of motion
Continuity equation
Pascal’ law
Newton’s law of viscosity

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Hydraulics and Fluid Mechanics in ME
A double overhung Pelton wheel has

Four runners
Four jets
Two runners
Two jets

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