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Bolts in an aircraft are made of _____________(a) nickel steel(b) graphite(c) aluminium(d) ironThe question was posed to me in class test.The doubt is from Materials Selection topic in division Materials Selection of Aerospace Materials & Processes

Answer»

The CORRECT choice is (a) NICKEL steel

To explain: Nickel steels are used in making bolts of an aircraft. Bolts are used in structural connections. Bolts made of nickel steel have higher Strength COMPARED to chrome-molybdenum bolts, which are used if there is a requirement of welding as nickel steel is not easy to WELD.



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