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

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1.	_ Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow 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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