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Critical Mach number is

A critical Mach number is a freestream Mach number

Worldtech Asked on 2nd July 2020 in Flight mechanics.
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Select your answer - End in 2nd October 2020

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Results of this poll (This poll was expired)

4 Votes
100% when the airflow at some point on airfoil surface has reached sonic flow
0% when the airflow at some point on airfoil surface has reached supersonic flow
0% when the airflow at some point on airfoil surface has reached subsonic flow
0% none of these

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