Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C below upper critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Cast iron Pig iron Wrought iron Malleable iron Cast iron Pig iron Wrought iron Malleable iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Elasticity Malleability Plasticity Ductility Elasticity Malleability Plasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Solidus change Allotropic change Physical change Molecular change Solidus change Allotropic change Physical change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Above 2.2% Below 1% Above 1% Below 0.5% Above 2.2% Below 1% Above 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In process annealing, 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