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Find the value of lift coefficient to ensure power required minimum condition for cruise if CD0/K is given as 0.480.(a) 1.2(b) 2.1(c) 1.7(d) 7.5I have been asked this question in a job interview.The origin of the question is Flight Mechanics topic in portion Performance and Flight Mechanics of Aircraft Design

Answer» RIGHT OPTION is (a) 1.2

Easiest EXPLANATION: Lift coefficient = [3*CD0/K]^0.5

= [3*0.480]^0.5 = 1.2.


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