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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the canter
At the bottom
From sides
At the top

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Hydraulics and Fluid Mechanics in ME
Any change in load is adjusted by adjusting following parameter on turbine

Flow
Blade velocity
Absolute velocity
Net head

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Hydraulics and Fluid Mechanics in ME
In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Double
Eight times
Four times
Sixteen times

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Hydraulics and Fluid Mechanics in ME
A streamline is defined as the line

parallel to central axis flow
parallel to outer surface of pipe
along which the pressure drop is uniform
of equal yelocity in a flow

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Hydraulics and Fluid Mechanics in ME
Bernoulli equation deals with the law of conservation of

mass
momentum
energy
work

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

density/dynamic viscosity
1/dynamicviscosity x density
dynamic viscosity/density
dynamicviscosity x density

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