Find the approximate value of wetted area Swet for given reference are – McqOptions

MCQOPTIONS

1.	Find the approximate value of wetted area Swet for given reference area of Sref=20 unit and parasite drag coefficient of 0.0028. Consider equivalent skin friction coefficient Cf as 0.003.
A.	18.67 unit
B.	12 unit
C.	20 unit
D.	65 unit
Answer» B. 12 unit

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