Engineering Materials Carbon steel is Refined from cast iron Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel Refined from cast iron Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 400° to 700°C 800°C to 1000°C 1200°C to 1300°C 1500°C to 1700°C 400° to 700°C 800°C to 1000°C 1200°C to 1300°C 1500°C to 1700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low tensile strength Low hardness Low wear resistance Toughness Low tensile strength Low hardness Low wear resistance Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel Invar High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature 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 There is no change in grain size The average grain size is a minimum The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
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