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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is

43892
27/8
43924
44078

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Hydraulics and Fluid Mechanics in ME
Hydraulic accumulator is used for

Supplying large quantities of oil for very short duration
Supplying energy when main supply fails
Generally high pressures to operate hydraulic machines
Accumulating oil

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of the inertia force to the

Surface tension force
Viscous force
Gravity force
Elastic force

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which its own molecules are attracted is called

viscosity
compressibility
adhesion
cohesion

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Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

Same as
Less than
None of these
More than

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Journal turbine
Fourneyron turbine
Thomson's turbine
Pelton wheel

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