Question

How many percent of carbon is present in medium carbon steel?

(a) 5% to 10%

(b) 0.35% to 0.45%

(c) 0.73% to 0.85%

(d) 20% to 30%

I had been asked this question in an interview for internship.

My doubt stems from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

Answer 1

The correct choice is (b) 0.35% to 0.45%

Explanation: The medium carbon steels contain 0.35% to 0.45% of carbon content, the alloy steels include nickel-chromium or chromium-molybdenum steels.