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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

upthrust
all the above are correct
center of pressure
buoyancy

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Hydraulics and Fluid Mechanics in ME
According to equation of continuity,

a1/v1 = a2/v2
w1v1 = w2v2
a1v1 = a2v2
w1a1 = w2a2

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Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as

steady flow
uniform flow
one dimensional flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is

e > d > m
d > e > m
e > m > d
d > m > e

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Hydraulics and Fluid Mechanics in ME
A nozzle is generally made of

Divergent shape
Convergent-divergent shape
Cylindrical shape
Convergent shape

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

Free vortex motion
Forced vortex
Rectilinear flow
Radial flow

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