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Cruise method 2 is also known as ____________(a) constant angle of attack and variable mach number(b) constant angle of attack and constant mach number(c) constant angle of attack and constant altitude number(d) constant mach number and constant altitude numberThis question was posed to me during an interview.The question is from Cruise Method 2 in division Cruising Performance of Aircraft Performance

Answer»

Correct choice is (c) constant angle of attack and constant altitude number

The best explanation: Cruise method 2 also known as constant angle of attack and constant altitude method. In cruise method 2 altitude, the ratio of lift to DRAG and relative AIRSPEED are kept constant i.e. L/D ratio and u and h are constant throughout the method.



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