Engineering Materials The lower critical point for all steels is 600°C 913°C 700°C 723°C 600°C 913°C 700°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Manganese Silicon Sulphur Carbon Manganese Silicon Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Along the lines of slag distribution None of these Uniform in all directions Perpendicular to lines of slag distribution Along the lines of slag distribution None of these Uniform in all directions Perpendicular to lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Hardening surface of work-piece to obtain hard and wear resistant surface Inducing hardness by continuous process Increasing hardness throughout Heating and cooling rapidly Hardening surface of work-piece to obtain hard and wear resistant surface Inducing hardness by continuous process Increasing hardness throughout Heating and cooling rapidly ANSWER DOWNLOAD EXAMIANS APP