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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

streamline flow
turbulent flow
uniform flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z - p/w - v²/2g = constant
Z - p/w + v²/2g = constant
Z + p/w + v²/2g = constant
Z + p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
The hydraulic grade line is

never above the energy grade line
always above the centre line of pipe
All of these
always sloping downward in the direction of flow

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which its own molecules are attracted is called

compressibility
viscosity
cohesion
adhesion

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Hydraulics and Fluid Mechanics in ME
Rotameter is a device used to measure

absolute pressure
flow
rotation
velocity of fluid

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Hydraulics and Fluid Mechanics in ME
A point, in a compressible flow where the velocity of fluid is zero, is called

Vena contracta
None of the listed here
Stagnation point
Critical point

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