Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.55 to 1.0% 0.20 to 0.45% 0.45 to 0.55% 0.05 to 0.20% 0.55 to 1.0% 0.20 to 0.45% 0.45 to 0.55% 0.05 to 0.20% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Electric and magnetic properties in all directions Stresses induced in all directions Thermal properties in all directions Elastic properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions Thermal properties in all directions Elastic properties in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Sulphur, lead and phosphorus Nickel Nickel and chromium Chromium Sulphur, lead and phosphorus Nickel Nickel and chromium Chromium ANSWER DOWNLOAD EXAMIANS APP