Engineering Materials Preheating is essential in welding All of these Cast iron High speed steel All nonferrous materials All of these Cast iron High speed steel All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 800°C to 1000°C 1200°C to 1300°C 400° to 700°C 1500°C to 1700°C 800°C to 1000°C 1200°C to 1300°C 400° to 700°C 1500°C to 1700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material essential for spring materials is Resilience Plasticity Stiffness Ductility Resilience Plasticity Stiffness Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 900°C to 1400°C 400°C to 600°C 600°C to 900°C 1400°C to 1530°C 900°C to 1400°C 400°C to 600°C 600°C to 900°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP