Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Manganese Nickel Magnesium Silicon Manganese Nickel Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 57 RC 65 RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Wrought iron Cast iron Malleable iron Pig iron Wrought iron Cast iron Malleable iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Machinability Hardness Hardness and strength Strength and ductility Machinability Hardness Hardness and strength Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Raise the yield point Make the steel ductile and of good bending qualities All of these Make the steel tougher and harder Raise the yield point Make the steel ductile and of good bending qualities All of these Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
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