Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Can be cut freely Contain carbon in free from Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from Require minimum cutting force Is used where rapid machining is the prime requirement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, chromium, titanium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, chromium, titanium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Ductility decreases Ultimate tensile strength increases All of these Yield point increases Ductility decreases Ultimate tensile strength increases All of these Yield point increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze is an alloy of Copper, tin and zinc None of these Copper and zinc Copper and tin Copper, tin and zinc None of these Copper and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP