Which one statement is correct regarding Ramjet engine?
a) Air enters from intake in to the ramjet engine with supersonic speed and supersonic combustion takes place in to the combustion chamber
b) Air enters at subsonic speed and leaves the engine at subsonic speed
c) Air enters from intake in to the ram engine with supersonic speed and subsonic combustion takes place
d) None of these
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Answer:
d non of this
it is correct or rong
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