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 Basic solution is one which has pH value Greater than 7 Less than 7 Equal to 7 pH value has nothing to do with basic solution Greater than 7 Less than 7 Equal to 7 pH value has nothing to do with basic solution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Both A and B None of these Cementite Free graphite Both A and B None of these Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Lead Mica Silver Glass Lead Mica Silver Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is 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 slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air 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 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
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