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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

a function of temperature only
dependent on the flow
a physical property of the fluid.
independent of the flow

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the outlet
at the inlet
ay nay point between inlet and outlet
at the summit

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Hydraulics and Fluid Mechanics in ME
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Q = (Cd × a)/√(2gh)
Q = (2/3). Cd × a × h
Q = (3Cd × a)/√(2h)
Q = Cd × a × 2gh

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Hydraulics and Fluid Mechanics in ME
A thick liquid like syrup has a ___ viscosity than a light liquid like water.

Same
Lesser
None of the listed here
Greater

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Hydraulics and Fluid Mechanics in ME
The point at which the resultant pressure on an immersed surface acts, is known as

Centre of immersed surface
Centre of depth
Centre of pressure
Centre of gravity

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

rotation
absolute pressure
flow
velocity of fluid

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