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

160
200
between 1 and 100
less than 1

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

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

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Hydraulics & Fluid Mechanics
Fluid is a substance that

has the same shear stress.at a point regardless of its motion
cannot be subjected to shear forces
always expands until it fills any container
cannot remain at rest under action of any shear force

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