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Following diagram is showing an intermediate step of the conic lofting technique. What will be the value of angle marked by’?’?

(a) Any arbitrary value

(b) Always be 50Β°

(c) Always 20rad

(d) Will be AB always

I had been asked this question in an interview for internship.

This interesting question is from Configuration Layout topic in chapter Configuration Layout and Loft of Aircraft Design

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The correct option is (a) Any arbitrary value

Easy explanation: After the selection of end points (A and B) and their tangent point C next step is to find point-S. When it is done the next step is to draw a line from a tangent point that can be at any arbitrary angle. This line could be at 20Β°, 50Β°, 60Β° or any arbitrary value as we desired. Once, this step is completed then, we can go further to find the next point of conic curve.

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