Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Chromium Nickel Copper Magnesium Chromium Nickel Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Cobalt Molybdenum Vanadium Nickel Cobalt Molybdenum Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Solder is an alloy consisting of Tin and copper Tin and lead Lead and zinc Tin, antimony, copper Tin and copper Tin and lead Lead and zinc Tin, antimony, copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Silver and chromium 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Silver and chromium 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials All of these High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP