Engineering Materials Shock resisting steels should have Toughness Low tensile strength Low hardness Low wear resistance Toughness Low tensile strength Low hardness Low wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Mild steel Cast iron Wrought iron Brass Mild steel Cast iron Wrought iron Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.017 0.008 0.0026 0.00025 0.017 0.008 0.0026 0.00025 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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