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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Archimedes principle
Boyle's law
Pascal's law
Newton's formula

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

Volumetric strain
Adhesion
Compressibility
Volumetric index

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Hydraulics and Fluid Mechanics in ME
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

43924
1
2

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Hydraulics and Fluid Mechanics in ME
Alcohol is used in manometers because

It is clearly visible
It has low surface tension
It can provide longer column due to low density
It has low vapour pressure

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Hydraulics and Fluid Mechanics in ME
The velocity distribution for laminar flow through a circular tube

None of these
varies parabolically with maximum at the centre
is constant over the cross-section
varies linearly from zero at walls to maximum at centre

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

Absolute velocity
Flow
Blade velocity
Net head

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