Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than None of these More than Equal to Less than None of these More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Tempering Annealing Carburising Normalizing Tempering Annealing Carburising Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Muntz metal contains copper and zinc in the ratio of 0.88888888888889 2.1180555555556 2.5277777777778 40 : 60 0.88888888888889 2.1180555555556 2.5277777777778 40 : 60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Mild steel Cast iron Stainless steel Carbon-chrome steel Mild steel Cast iron Stainless steel Carbon-chrome steel ANSWER DOWNLOAD EXAMIANS APP