Engineering Materials Hardness of upper bainite (acicular structure) is about RC 48 RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Free carbon Flakes Spheroids Cementite Free carbon Flakes Spheroids Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Tough material Brittle material Malleable material Ductile material Tough material Brittle material Malleable material Ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon Stress reduces on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced In which stress remains constant on increasing load Stress reduces on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced In which stress remains constant on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness and strength Strength and ductility Machinability Hardness Hardness and strength Strength and ductility Machinability Hardness ANSWER DOWNLOAD EXAMIANS APP
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