Which of the mentioned below is not the material of rocker arm?(a) Grey-cast iron(b) Malleable cast iron(c) Chromium alloy(d) Cast steelI have been asked this question during an interview.I want to ask this question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design

Which of the mentioned below is not the material of rocker arm?(a) Gre

1.	Which of the mentioned below is not the material of rocker arm?(a) Grey-cast iron(b) Malleable cast iron(c) Chromium alloy(d) Cast steelI have been asked this question during an interview.I want to ask this question from IC Engine topic in chapter Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT option is (C) Chromium ALLOY The best explanation: Grey-CAST iron, Malleable cast iron, Cast steel are all the MATERIAL that is used in the manufacturing rocker-arm whereas chromium alloy is not usually used.

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