Hydraulics and Fluid Mechanics in ME
The conditions for the stable equilibrium of a floating body are

the meta-center should lie above the center of gravity
the center of buoyancy and the center of gravity must lie on the same vertical line
a righting couple should be formed
all the above are correct

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Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

lowest pressure intensity occurs at rear stagnation point
total drag is zero
lowest pressure intensity occurs at front stagnation point
highest intensity of pressure occurs around the circumference at right angles to flow

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity is the

Ratio of absolute viscosity to the density of the liquid
Product of absolute viscosity and density of the liquid
Ratio of density of the liquid to the absolute viscosity
Product of absolute viscosity and mass of the liquid

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