Engineering Materials Gun metal contains 90% copper and 10% tin 70 - 78% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 78% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Carburising Normalizing Tempering Annealing Carburising Normalizing Tempering Annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc Malleable iron and zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc Malleable iron and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Nickel Chromium Magnesium Copper Nickel Chromium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.6 to 0.7% 0.25 to 0.5% 0.7 to 0.9% 0.1 to 0.2% 0.6 to 0.7% 0.25 to 0.5% 0.7 to 0.9% 0.1 to 0.2% 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 from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace 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 suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace 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 ANSWER DOWNLOAD EXAMIANS APP