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 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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