Engineering Materials Silicon when added to copper improves Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Tough material Ductile material Malleable material Brittle material Tough material Ductile material Malleable material Brittle material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The electric process of steel making is especially adapted to Magnet steel Alloy and carbon tool steel All of these High speed tool steel Magnet steel Alloy and carbon tool steel All of these High speed tool steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by All of these Working at lower temperature Purification of metal Grain refinement All of these Working at lower temperature Purification of metal Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness 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 cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Ferrite and pearlite Mainly pearlite Mainly ferrite Pearlite and cementite Ferrite and pearlite Mainly pearlite Mainly ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
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