Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and tin Copper and iron Copper and zinc Copper and nickel Copper and tin Copper and iron Copper and zinc Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Below 0.8% None of these Above 0.8% 0.008 Below 0.8% None of these Above 0.8% 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Silver Glass Lead Zinc Silver Glass Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Ductile material Malleable material Brittle material Tough material Ductile material Malleable material Brittle material Tough material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP