Engineering Materials Smelting is the process of 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 Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these 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 Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Aluminium Mild steel Copper Nickel Aluminium Mild steel Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Cannot stand sudden and excessive shocks All of these Can be easily forged or welded Is a ductile material Cannot stand sudden and excessive shocks All of these Can be easily forged or welded Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Carbon Silicon Sulphur Manganese Carbon Silicon Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Increase hardenability Increase endurance strength Reduce machinability Increase wear resistance Increase hardenability Increase endurance strength Reduce machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Plastic deformation Creep Fatigue Endurance Plastic deformation Creep Fatigue Endurance ANSWER DOWNLOAD EXAMIANS APP
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