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

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

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Hydraulics and Fluid Mechanics in ME
Meta-centric height is given as the distance between

The center of gravity of the body and the center of buoyancy
The center of gravity of the body and the center of pressure
Center of buoyancy and metacenter
The center of gravity of the body and the metacenter

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