Engineering Materials The alloying element which can replace tungsten in high speed steels is Cobalt Nickel Molybdenum Vanadium Cobalt Nickel Molybdenum Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Weld decay is the phenomenon found with Mild steel Stainless steel Cast iron Nonferrous materials Mild steel Stainless steel Cast iron Nonferrous materials 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 In a hardening process, the hypo-eutectoid steel is Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these Cast iron All nonferrous materials High speed steel All of these Cast iron All nonferrous materials High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Cannot stand sudden and excessive shocks Can be easily forged or welded All of these Is a ductile material Cannot stand sudden and excessive shocks Can be easily forged or welded All of these Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
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