Engineering Materials Recrystallization temperature can be lowered by All of these Working at lower temperature Grain refinement Purification of metal All of these Working at lower temperature Grain refinement Purification of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by adding Chromium and nickel Nickel and molybdenum Aluminium and zinc Tungsten and sulphur Chromium and nickel Nickel and molybdenum Aluminium and zinc Tungsten and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Machinability Strength and ductility Hardness and strength Hardness Machinability Strength and ductility Hardness and strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Sulphides Carbonates Oxides All of these Sulphides Carbonates Oxides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, chromium, titanium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, chromium, titanium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It brittle It hard The casting unsound It easily machinable It brittle It hard The casting unsound It easily machinable ANSWER DOWNLOAD EXAMIANS APP