Engineering Materials Silicon when added to copper improves Strength and ductility Machinability Hardness Hardness and strength Strength and ductility Machinability Hardness Hardness and strength 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 Specify the sequence correctly Grain growth, stress relief, recrystallization Grain growth, recrystallization, stress relief Stress relief, recrystallization, grain growth Stress relief, grain growth, recrystallization Grain growth, stress relief, recrystallization Grain growth, recrystallization, stress relief Stress relief, recrystallization, grain growth Stress relief, grain growth, recrystallization ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to All of these Make the steel tougher and harder Make the steel ductile and of good bending qualities Raise the yield point All of these Make the steel tougher and harder Make the steel ductile and of good bending qualities Raise the yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Soften material Improve machining characteristic Relieve stresses Harden steel slightly Soften material Improve machining characteristic Relieve stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Copper Chromium Silicon Nickel Copper Chromium Silicon ANSWER DOWNLOAD EXAMIANS APP
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