What happens when the cross – flow velocity becomes supersonic? – McqOptions

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1.	What happens when the cross – flow velocity becomes supersonic?
A.	Embedded shock waves on windward side
B.	Embedded shock waves on the leeward side
C.	Expansion shock waves on the windward side
D.	Oblique shock waves on the leeward side
Answer» C. Expansion shock waves on the windward side

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