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Which of the following is not used to manufacture a wing-tip bow?(a) Chrome-molybdenum(b) Aluminium alloy(c) Douglas fir(d) Mild steelThe question was posed to me in unit test.This key question is from Materials Selection topic in division Materials Selection of Aerospace Materials & Processes

Answer»

Right answer is (c) Douglas fir

Easiest explanation: Wing-tip BOWS can be manufactured using chrome-molybdenum, ALUMINIUM alloy and mild steel. However, Douglas fir is not used. Douglas fir is a type of tree whose wood can be used in manufacturing wing BEAMS.



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