Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 400° to 700°C 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C 400° to 700°C 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and nickel Copper and tin Copper and zinc Copper and iron Copper and nickel Copper and tin Copper and zinc Copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Invar Magnin Elinvar Nichrome Invar Magnin Elinvar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Increases Does not effect None of these Decreases Increases Does not effect None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Both A and B Cementite None of these Free graphite Both A and B Cementite None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Connecting rod is, usually, made from High speed steel Medium carbon steel High carbon steel Low carbon steel High speed steel Medium carbon steel High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
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