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 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
Engineering Materials Acidic solution is one which has pH value Greater than 7 pH value has nothing to do with neutral solution Less than 7 Equal to 7 Greater than 7 pH value has nothing to do with neutral solution Less than 7 Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Asbestos cement Concrete Cast iron Vitrified clay Asbestos cement Concrete Cast iron Vitrified clay ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Sulphur, phosphorus, lead Chromium and nickel Tungsten, molybdenum, vanadium, chromium Vanadium, aluminium Sulphur, phosphorus, lead Chromium and nickel Tungsten, molybdenum, vanadium, chromium Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
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