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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the impeller, is

Rectilinear flow
Radial flow
Free vortex motion
Forced vortex

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is

Directly proportional to H3/2
Inversely proportional to H3/2
Directly proportional to H5/2
Inversely proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

None of these
Less than
Equal to
More than

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Hydraulics and Fluid Mechanics in ME
Air vessels in reciprocating pump are used to

Save pump from cavitations
Reduce acceleration to minimum
Increase pump efficiency
Smoothen flow

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Hydraulics and Fluid Mechanics in ME
The power produced by the reaction turbine is ________ to the head of water.

None of these
Directly proportional
Inversely proportional
4th power

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Hydraulics and Fluid Mechanics in ME
Pascal-second is the unit of

dynamic viscosity
surface tension
pressure
kinematic viscosity

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