Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness Acts as deoxidiser Reduces the grain size Lowers the toughness and transverse ductility Decreases tensile strength and hardness Acts as deoxidiser ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Silicon Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Steel MgO SiO2 Al2O3 Steel MgO SiO2 Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Martempering Normalizing Hardening and cold working Full annealing Martempering Normalizing Hardening and cold working ANSWER DOWNLOAD EXAMIANS APP
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