Engineering Materials Which of the following constituents of steels is softest and least strong? Ferrite Cementite Austenite Pearlite Ferrite Cementite Austenite Pearlite 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 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 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 slowly in the furnace 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 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 slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Low carbon steel High carbon steel Medium carbon steel Chrome steel Low carbon steel High carbon steel Medium carbon steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these All nonferrous materials Cast iron High speed steel All of these All nonferrous materials Cast iron High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its All of these Ductility decreases Ultimate tensile strength increases Yield point increases All of these Ductility decreases Ultimate tensile strength increases Yield point increases ANSWER DOWNLOAD EXAMIANS APP
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