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 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 Corrosion resistance of steel is increased by addition of Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Brass Copper Silver Duralumin Brass Copper Silver Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Vanadium Nickel Chromium Cobalt Vanadium Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and iron Copper and tin Copper and nickel Copper and zinc Copper and iron Copper and tin Copper and nickel Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value pH value has nothing to do with neutral solution Equal to 7 Greater than 7 Less than 7 pH value has nothing to do with neutral solution Equal to 7 Greater than 7 Less than 7 ANSWER DOWNLOAD EXAMIANS APP
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