Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Slowly in the furnace Suddenly in a suitable cooling medium In still air Any one of these Slowly in the furnace Suddenly in a suitable cooling medium In still air Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Pig iron Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Physical change Molecular change Solidus change Allotropic change Physical change Molecular change Solidus change Allotropic change 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 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 Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Low carbon steel Chrome steel Medium carbon steel High carbon steel Low carbon steel Chrome steel Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
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