Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Sulphur Manganese Phosphorus Silicon Sulphur Manganese Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In process annealing, the hypo eutectoid steel is 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 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 suddenly in a suitable cooling medium 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 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 suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? None of these Blackheart cast iron Whiteheart cast iron Both (A) and (B) None of these Blackheart cast iron Whiteheart cast iron Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Yield point increases Ultimate tensile strength increases Ductility decreases All of these Yield point increases Ultimate tensile strength increases Ductility decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A coarse grained steel Is less tough and has a greater tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Vanadium Sulphur Tin Zinc Vanadium Sulphur Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
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