Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Chromium Magnesium Nickel Copper Chromium Magnesium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 5% silver No silver 1% silver 2% silver 5% silver No silver 1% silver 2% silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Can be cut freely Contain carbon in free from Is used where rapid machining is the prime requirement Require minimum cutting force Can be cut freely Contain carbon in free from Is used where rapid machining is the prime requirement Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel ductile and of good bending qualities Raise the yield point All of these Make the steel tougher and harder Make the steel ductile and of good bending qualities Raise the yield point All of these Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Martensite Cementite Austenite Pearlite Martensite Cementite Austenite Pearlite ANSWER DOWNLOAD EXAMIANS APP