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
between 1 and 100
less than 1
200

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Hydraulics & Fluid Mechanics
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is

zero at the mid plane and varies linearly with distance from mid plane
constant over the cross section
parabolic distribution across the section
zero at plates and increases linearly to midpoint

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

the center of gravity of the body andthe meta center
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

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