Chemical Engineering - Fluid Mechanics - Discussion


For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).

[A]. increase
[B]. decrease
[C]. remain constant
[D]. either (a) or (b); depends on other factors

Answer: Option A


No answer description available for this question.

Arindam Roy said: (Jan 29, 2020)  
Reynold's no.=PVD/u(P=density).
Re directly proportional to u,
So if Re increases D will increase and vice versa.

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