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

less than 1
between 1 and 100
160
200

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Hydraulics & Fluid Mechanics
Choose the wrong statement

fluids are capable of flowing
when in equilibrium, fluids can sustain shear forces
fluids conform to the shape of the con-taining vessels
when in equilibrium, fluids cannot sustain tangential forces

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