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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

IG / Ax̅ below
IG / Ax̅ above
Ax̅ / IG below
Ax̅ / IG above

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be

Nearly horizontal
Horizontal
First rise and then fall
Steep

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Hydraulics and Fluid Mechanics in ME
When the flow parameters at any given instant remain same at every point, then flow is said to be

laminar
quasi static
steady state
uniform

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Hydraulics and Fluid Mechanics in ME
Rotameter is a device used to measure

absolute pressure
velocity of fluid
flow
rotation

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Double
Three to four times
Five to six times
Equal to

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Hydraulics and Fluid Mechanics in ME
If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will

tend to move downward and it may finally sink
rise until its weight equals the buoyant force
None of these
float

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