Aerodynamic noise resulting from turbulent gas flow is the most prevalent source

Question

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to

Options:

A . Reynold stresses

B . shear forces

C . both (a) & (b)

D . neither (a) nor (b)

Answer: Option C
Answer: (c).both (a) & (b)

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