Materials and Construction In cold working of metal as compared to its hot working Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most common stainless steel type 316, which is highly resistant to corrosion contains None of these 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo 20-22% Cr, and 8-10% Ni None of these 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo 20-22% Cr, and 8-10% Ni ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Manganese in steel affects its Ductility Tensile strength Hardness None of these Ductility Tensile strength Hardness None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of None of these Iron & copper Copper & aluminium Lead & tin None of these Iron & copper Copper & aluminium Lead & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Solid solution hardening Strain ageing Twinning Screw dislocation Solid solution hardening Strain ageing Twinning Screw dislocation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Are exemplified by clay and mica Never exhibit polymorphism All of these Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica Never exhibit polymorphism All of these Are poor electrical conductors due to lack of free electrons ANSWER DOWNLOAD EXAMIANS APP