Cobalt in steel
A. Improves wear resistance, cutting ability and toughness
B. Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties
C. Improves cutting ability and reduce hardenability
D. Gives ductility, toughness, tensile strength and anti corrosion property
Answer: Option C
Solution(By Examveda Team)
Cobalt in steel Improves cutting ability and reduce hardenabilityThis Question Belongs to Mechanical Engineering >> Engineering Materials
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