Engineering Materials Eutectoid reaction occurs at 600°C 723°C 1147°C 1493°C 600°C 723°C 1147°C 1493°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase hardenability Reduce machinability Increase wear resistance Increase endurance strength Increase hardenability Reduce machinability Increase wear resistance Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.45 0.55 0.3 0.7 0.45 0.55 0.3 0.7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Gamma-iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Alpha-iron, tungsten, chromium and molybdenum Gamma-iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Alpha-iron, tungsten, chromium and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Cast iron Brass Mild steel Wrought iron Cast iron Brass Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP