Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 65 RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same 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 Electric and magnetic properties in all directions Stresses induced in all directions Thermal properties in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Vitrified clay Cast iron Asbestos cement Concrete Vitrified clay Cast iron Asbestos cement Concrete 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 grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 70 - 78% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 78% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
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