My aircraft is flying at particular altitude. At that altitude ratio of actual airspeed to the equivalent airspeed is 1.4 then, what should be the desire value of density ratio?(a) 0.51(b) 1.89(c) 0.12(d) 0.189This question was addressed to me during an interview.My question is taken from Air Loads topic in section Structures and Loads of Aircraft Design

My aircraft is flying at particular altitude. At that altitude ratio o

1.	My aircraft is flying at particular altitude. At that altitude ratio of actual airspeed to the equivalent airspeed is 1.4 then, what should be the desire value of density ratio?(a) 0.51(b) 1.89(c) 0.12(d) 0.189This question was addressed to me during an interview.My question is taken from Air Loads topic in section Structures and Loads of Aircraft Design
Answer» Correct answer is (a) 0.51 To EXPLAIN: DENSITY ratio = (1/ratio of ACTUAL airspeed and EQUIVALENT airspeed)^2 = (1/1.4)^2 = 0.51.

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