Engineering Materials When low carbon steel is heated up to lower critical temperature There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following alloys does not have copper as one of the constituents? Delta metal Constantan Monel metal Nichrome Delta metal Constantan Monel metal Nichrome ANSWER DOWNLOAD EXAMIANS APP
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 Suddenly in a suitable cooling medium In still air Slowly in the furnace Any one of these Suddenly in a suitable cooling medium In still air Slowly in the furnace Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Electric and magnetic properties in all directions Thermal properties in all directions Elastic properties in all directions Stresses induced in all directions Electric and magnetic properties in all directions Thermal properties in all directions Elastic properties in all directions Stresses induced in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used for nuclear energy? Niobium All of these Thorium Uranium Niobium All of these Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
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