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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on

a cylinder
a streamlined body
a sphere
a circular disc of plate held normal to flow

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Hydraulics and Fluid Mechanics in ME
Euler’s dimensionless number relates the following

viscous force and buoyancy force
viscous force and inertial force
inertial force and gravity
pressure force and inertial force

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

turbulent flow
laminar flow
non-uniform flow
steady flow

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Hydraulics and Fluid Mechanics in ME
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

None of these
Orifice
Weir
Notch

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Hydraulics and Fluid Mechanics in ME
The impeller of a centrifugal pump may have

Vortex casing
Volute casing
Any one of these
Volute casing with guide blades

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