Hydraulics & Fluid Mechanics
If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is

between 1 and 100
less than 1
160
200

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Hydraulics & Fluid Mechanics
Metacentric height is given as the distance between

center of buoyancy and metacentre
the center of gravity of the body and the center of pressure
the center of gravity of the body andthe meta center
the center of gravity of the body and the center of buoyancy

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