Fluid Mechanics
Which of the following exemplifies a three dimensional fluid flow ?

Viscous fluid flow between converging plates
Fluid flow at the inlet to a nozzle
Fluid flow between parallel plates
None of these

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Fluid Mechanics
Steady flow occurs, when the

Rate of the velocity change is constant
Conditions do not change with time at any point
Conditions are the same at the adjacent points at any instant
Conditions change steadily with time

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