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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

None of these
More than 2800
Less than 2000
Between 2000 and 2800

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Hydraulics and Fluid Mechanics in ME
The divergent portion of a Venturimeter is made longer than convergent portion in order to

Both (A) and (B)
Avoid the tendency of breaking away the stream of liquid
None of these
To minimize frictional losses

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Viscous force
Elastic force
Surface tension force
Pressure force

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Hydraulics and Fluid Mechanics in ME
Resultant pressure of the liquid in the case of an immersed body acts through

Centre of pressure
Metacentre
Centre of gravity
Centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
The increase of temperature results in

increase in viscosity of gas
decrease in viscosity of gas
decrease in viscosity of liquid
increase in viscosity of liquid

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Hydraulics and Fluid Mechanics in ME
A nozzle is generally made of

Divergent shape
Cylindrical shape
Convergent-divergent shape
Convergent shape

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