Engineering Materials Cobalt in steel 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 Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following alloys does not have copper as one of the constituents? Nichrome Monel metal Delta metal Constantan Nichrome Monel metal Delta metal Constantan ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with Duralumin Gun metal Stainless steel German silver Duralumin Gun metal Stainless steel German silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Working at lower temperature All of these Grain refinement Purification of metal Working at lower temperature All of these Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material essential for spring materials is Ductility Resilience Plasticity Stiffness Ductility Resilience Plasticity Stiffness ANSWER DOWNLOAD EXAMIANS APP