Aerodynamic noise resulting from turbulent gas flow is the most preval – McqOptions

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1.	Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?
A.	Reynold stresses
B.	Shear forces
C.	Both A. & B.
D.	Neither A. nor B.
Answer» D. Neither A. nor B.

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