Engineering Materials Mild steel belongs to the following category Medium carbon steel Alloy steel High carbon steel Low carbon steel Medium carbon steel Alloy steel High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Eutectic cast irons None of these Hypereutectic cast irons Hypoeutectic cast irons Eutectic cast irons None of these Hypereutectic cast irons Hypoeutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Carburising process Core hardening process None of these Surface hardening process Carburising process Core hardening process None of these Surface hardening process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In process annealing, the hypo eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel 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 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 ANSWER DOWNLOAD EXAMIANS APP
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