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Which of the following is the correct pair?

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in Aircraft Design by (701k points)
Which of the following is the correct pair?

(a) Empty weight fraction is similar to gross weight of the aircraft

(b) Empty weight fraction is inversely proportion to gross weight of the aircraft

(c) Empty weight fraction is directly proportion to gross weight of the aircraft

(d) Empty weight fraction is not related with the gross weight of the aircraft

The question was asked during an interview for a job.

The above asked question is from Conceptual Sketch Sizing in chapter Conceptual Sketch Sizing of Aircraft Design

1 Answer

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Best answer
The correct choice is (b) Empty weight fraction is inversely proportion to gross weight of the aircraft

Easiest explanation: Empty weight fraction is nothing but empty weight divided by gross weight of the aircraft. Higher gross weight aircraft has lesser empty weight fraction.

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