The metal used for making air crafts and rockets is

Options

A. Lead
B. Aluminium
C. Nickel
D. Copper

Answer

C

Explanation

Nickel - based super alloys are an unusual class of metallic materials with an exceptional combination of high temperature strength, toughness, and resistance to degradation in corrosive or oxidizing environment. These materials are widely used in air craft and power-generation, turbines, rocket engines, etc.