Engineering Materials Which is the false statement about wrought iron? It has Ability of hold protective coating High ductility Uniform strength in all directions High resistance to rusting and corrosion Ability of hold protective coating High ductility Uniform strength in all directions High resistance to rusting and corrosion ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 723°C 913°C 700°C 600°C 723°C 913°C 700°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, titanium, vanadium Tungsten, chromium, titanium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Silicon Sulphur Manganese Phosphorus Silicon Sulphur Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS