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Which material is used Exhaust valves?(a) Hardened steel(b) Silicon-Chromium steel(c) Nickel-Chromium steel(d) Chromium-vanadium steelThis question was addressed to me in an online interview.I want to ask this question from IC Engine in division Design of IC Engine Components of Automotive Engine Design

Answer»

Right answer is (b) Silicon-Chromium STEEL

Explanation: INLET valves are made of Nickel-Chromium steel and exhaust valves are made of Silicon-Chromium steel. In heavy-duty ENGINES, the valves are made by chromium-vanadium steel.



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