Question

Automobile gears are generally made of ______________

(a) cast iron

(b) stainless steel

(c) alloy steel

(d) mild steel

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Answer 1

The correct answer is:

(c) alloy steel

Automobile gears are generally made of alloy steel because it offers a good balance of strength, toughness, and wear resistance. Alloy steels, which may contain elements such as chromium, nickel, or molybdenum, are specifically chosen for their ability to withstand the high stress, torque, and wear that gears are subjected to in an automobile transmission system.