36. Which of the following is a common application of steel in the automotive industry?
a) Structural components
b) Engine parts
c) Body panels
d) All of the above
37. What is the term used to describe the measure of a material’s resistance to deformation under compression?
a) Elasticity
b) Ductility
c) Hardness
d) Stiffness
38. Which of the following is a common method used for joining steel components without using heat?
a) Welding
b) Bolting
c) Soldering
d) Riveting
39. What is the term used to describe the process of converting iron into steel by removing excess carbon and impurities?
a) Smelting
b) Refining
c) Alloying
d) Galvanizing
40. Which of the following is a common application of steel in the aerospace industry?
a) Aircraft frames
b) Landing gears
c) Engine components
d) All of the above
