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Discussion :: GATE Aeronautical Engineering

  1. The critical Mach number of an airfoil is attained when
    2. A.
    the freestream Mach number is sonic.
    B.
    the freestream Mach number is supersonic.
    C.
    the Mach number somewhere on the airfoil is unity.
    D.
    the Mach number everywhere on the airfoil is supersonic.

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    Answer : Option C

    Explanation :

    -NA-

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