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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The volumetric change of the fluid caused by a resistance is known as

Compressibility
Volumetric strain
Volumetric index
Adhesion

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Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

kg-sec/meter
Newton-sec per meter
Newton-sec per meter²
Meters² per sec

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Hydraulics and Fluid Mechanics in ME
In series-pipe problems

the head loss is same through each pipe
the discharge through each pipe is added to obtain total discharge
a trial solution is not necessary
the discharge is same through each pipe

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Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which

Delivers unit discharge under unit speed
Develops unit power under unit speed
Develops unit power under unit head
Delivers unit discharge under unit head

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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

44078
27/8
43892
43924

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

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

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