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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

Two-dimensional flow
Three-dimensional flow
Four-dimensional flow
One-dimensional flow

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

Double
Three fourth
Equal to
One-half

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Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

free vortex at center and forced vortex outside
forced vortex at center and free vortex outside
free vortex motion
forced vortex motion

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water from deep wells?

Jet pump
Reciprocating pump
Centrifugal pump
Air lift pump

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Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

50-60°
30-40°
10-15°
20-25°

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

adhesion
compressibility
cohesion
viscosity

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