Engineering Materials Manganese is added in low carbon steel to All of these Make the steel tougher and harder Raise the yield point Make the steel ductile and of good bending qualities All of these Make the steel tougher and harder Raise the yield point Make the steel ductile and of good bending qualities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel 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 The material widely used for making pendulums of clocks is Stainless steel Nickel steel Heat resisting steel High speed steel Stainless steel Nickel steel Heat resisting steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.55 to 1.0% 0.20 to 0.45% 0.05 to 0.20% 0.45 to 0.55% 0.55 to 1.0% 0.20 to 0.45% 0.05 to 0.20% 0.45 to 0.55% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. More than Equal to None of these Less than More than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is 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 from 30°C to 50°C above the upper critical temperature and then cooled in still air 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 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 from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
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