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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A one dimensional flow is one which

is steady uniform flow
takes place in straight lines
involves zero transverse component of flow
is uniform flow

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies

Directly as fan speed
Square of fan speed
Cube of fan speed
Square root of fan speed

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Hydraulics and Fluid Mechanics in ME
In the case of steady flow of a fluid, the acceleration of any fluid particle is

constant
zero
zero under limiting conditions
variable

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Hydraulics and Fluid Mechanics in ME
The cavitation in reaction turbines is avoided, to a great extent by

All of these
Using stainless steel runner of the turbine
Providing highly polished blades to the runner
Installing the turbine below the tail race level

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Hydraulics and Fluid Mechanics in ME
Flow occurring in a pipeline when a valve is being opened is

steady
unsteady
vortex
laminar

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Hydraulics and Fluid Mechanics in ME
When the flow parameters at any given instant remain same at every point, then flow is said to be

quasi static
laminar
steady state
uniform

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