Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Less than More than None of these Equal to Less than More than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Wear resistance is very good Modulus of elasticity is fairly low Fatigue strength is not high Creep strength limits its use to fairly low temperatures Wear resistance is very good Modulus of elasticity is fairly low Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron 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 slowly in the furnace 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 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 slowly in the furnace 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 below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable ANSWER DOWNLOAD EXAMIANS APP
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