Engineering Materials Which of the following material has maximum ductility? Aluminium Copper Mild steel Nickel Aluminium Copper Mild steel Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The converter must be titled to remove the contents of the converter The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Chromium, nickel Silicon, aluminium, titanium Sulphur, lead, phosphorous Vanadium, aluminium Chromium, nickel Silicon, aluminium, titanium Sulphur, lead, phosphorous Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Carbon Manganese Silicon Sulphur Carbon Manganese Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Silver and some impurities Refined silver Nickel, Copper and zinc Nickel and copper Silver and some impurities Refined silver Nickel, Copper and zinc Nickel and copper ANSWER DOWNLOAD EXAMIANS APP