Engineering Materials The heat treatment process used for softening hardened steel is Normalizing Carburising Tempering Annealing Normalizing Carburising Tempering Annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and zinc Copper, nickel and antimony Iron, zinc and bismuth Nickel, copper and iron Nickel, copper and zinc Copper, nickel and antimony Iron, zinc and bismuth Nickel, copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Heavy duty leaf and coil springs contain carbon of the following order 0.008 0.01 0.002 0.005 0.008 0.01 0.002 0.005 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Silver and chromium 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Silver and chromium 88% copper and 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 2.5 to 4.5% 0.012 5 to 7% 0.5 to 1% 2.5 to 4.5% 0.012 5 to 7% ANSWER DOWNLOAD EXAMIANS APP