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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A Pelton wheel is

Outward flow impulse turbine
Inward flow reaction turbine
Inward flow impulse turbine
Tangential flow impulse turbine

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Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ H
P/ √H
P/ H²
P/ H3/2

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

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

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

Volumetric index
Compressibility
Adhesion
Volumetric strain

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Hydraulics and Fluid Mechanics in ME
A one dimensional flow is one which

is steady uniform flow
is uniform flow
takes place in straight lines
involves zero transverse component of flow

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Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

Slow speed pump with radial flow at outlet
High speed pump with axial flow at outlet
Medium speed pump with radial flow at outlet
High speed pump with radial flow at outlet

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