Mechanical Engineering Mcqs

Chromium in steel_________________?

(A) improves wear resistance, cutting ability and toughness

(B) refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties

(C) improves cutting ability and reduces hardenability

(D) gives ductility, toughness, tensile strength and anticorrosion properties

(E) makes steel hard

Submitted By: Ali Uppal

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