The wetted perimeter ______ on adding fins hence the flow area _____

1.	The wetted perimeter ______ on adding fins hence the flow area _____
A.	Increases, Decreases
B.	Decreases, Increases
C.	Increases, Increases
D.	Decreases, Decreases
Answer» B. Decreases, Increases

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The wetted perimeter __ on adding fins hence the flow area _

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