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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Flow occurring in a pipeline when a valve is being opened is

unsteady
vortex
steady
laminar

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Hydraulics and Fluid Mechanics in ME
For manometer, a better liquid combination is one having

surface tension is no criterion
higher surface tension
high density and viscosity
lower surface tension

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Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

The area is inclined
All of these
The area is horizontal
The area is vertical

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Hydraulics and Fluid Mechanics in ME
The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)

0.855 a.√(2gH)
1.855 aH.√(2g)
5.85 aH.√(2g)
1.585 a.√(2gH)

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Hydraulics and Fluid Mechanics in ME
The property of a fluid which enables it to resist tensile stress is known as

adhesion
surface tension
compressibility
cohesion

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Hydraulics and Fluid Mechanics in ME
The Thomson's turbine is _________ reaction turbine.

An outward flow
An inward flow
A mixed flow
An axial flow

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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