Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Magnalium Hindalium Duralumin Y-alloy Magnalium Hindalium Duralumin Y-alloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 0°C Around 100°C Below 10°K Above 100°K Around 0°C Around 100°C Below 10°K Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Brass Duralumin Silver Copper Brass Duralumin Silver Copper 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
Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase endurance strength Increase wear resistance Increase hardenability Reduce machinability Increase endurance strength Increase wear resistance Increase hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP