Engineering Materials The hardness of steel increases if it contains Pearlite Austenite Cementite Martensite Pearlite Austenite Cementite Martensite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called Amorphous material Mesomorphous material None of these Crystalline material Amorphous material Mesomorphous material None of these Crystalline material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel 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 Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is the binding material in cemented carbides? Cobalt Vanadium Nickel Iron Cobalt Vanadium Nickel Iron ANSWER DOWNLOAD EXAMIANS APP
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