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 In still air Any one of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which stress remains constant on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load In which stress remains constant on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge of the blast furnace consists of Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore, coke and limestone all in equal parts Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore, coke and limestone all in equal parts Calcined ore (4 parts), coke (1 part) and limestone (8 parts) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Shape of carbides and their distribution in iron Percentage of alloying elements Percentage of carbon Heat treatment employed Shape of carbides and their distribution in iron Percentage of alloying elements Percentage of carbon Heat treatment employed ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Spheroids Flakes Free carbon Cementite Spheroids Flakes Free carbon Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 ANSWER DOWNLOAD EXAMIANS APP