Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Recrystallization Heat treatment Allotropic change Precipitation Recrystallization Heat treatment Allotropic change Precipitation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. None of these Does not effect Decreases Increases None of these Does not effect Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Fatigue Endurance Creep Plastic deformation Fatigue Endurance Creep Plastic deformation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel 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 wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability 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 wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% MgO SiO2 Al2O3 Steel MgO SiO2 Al2O3 Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Core hardening process Surface hardening process Carburising process None of these Core hardening process Surface hardening process Carburising process None of these ANSWER DOWNLOAD EXAMIANS APP
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