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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The velocity corresponding to Reynold number of 2000 is called

Sub-sonic velocity
Higher critical velocity
Super-sonic velocity
Lower critical velocity

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

cohesion
compressibility
adhesion
viscosity

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.

Kinetic
Strain
Pressure
None of these

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

Newton’s law of viscosity
continuity equation
Pascal law
boundary layer theory

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Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

All of these
surface friction
frictional force
viscosity

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Hydraulics and Fluid Mechanics in ME
The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is

Slow speed with radial flow at outlet
High speed with mixed flow at outlet
High speed with radial flow at outlet
Medium speed with radial flow at outlet

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