The skin-friction drag coefficient for turbulent flow on the bottom s – McqOptions

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1.	The skin-friction drag coefficient for turbulent flow on the bottom surface of an airfoil, with chord length being 1m is _____ (Reynolds number at the trailing edge Rec=32×105)
A.	0.074
B.	0.0037
C.	0.027
D.	0.0074
Answer» C. 0.027

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