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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

From sides
At the top
At the bottom
At the canter

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Hydraulics and Fluid Mechanics in ME
The number of buckets on the periphery of a Pelton wheel is given by

(D/2d) + 20
(D/2d) + 15
(D/2d) + 5
(D/2d) + 10

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Hydraulics and Fluid Mechanics in ME
The vapour pressure over the concave surface is

zero
greater than the vapour pressure over the plane surface
equal to the vapour pressure over the plane surface
less man the vapour pressure over the plane surface

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Hydraulics and Fluid Mechanics in ME
Alcohol is used in manometers because

It can provide longer column due to low density
It has low vapour pressure
It is clearly visible
It has low surface tension

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Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

minimum
non-zero and finite
maximum
zero

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Hydraulics and Fluid Mechanics in ME
The losses are more in

turbulent flow
critical flow
transition flow
laminar flow

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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