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 All of these Reducing the ore with carbon in the presence of a flux 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 All of these Reducing the ore with carbon in the presence of a flux ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Chromium Nickel Silicon Copper Chromium Nickel Silicon Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to light loads, is Silicon bronze Phosphor bronze Monel metal White metal Silicon bronze Phosphor bronze Monel metal White metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these High speed steel Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS