Engineering Materials In spheroidising process, the steel is Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to All of these Raise the yield point Make the steel ductile and of good bending qualities Make the steel tougher and harder All of these Raise the yield point Make the steel ductile and of good bending qualities Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and iron Copper and zinc Copper and tin Copper and nickel Copper and iron Copper and zinc Copper and tin Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Less than None of these More than Equal to Less than None of these More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Endurance Fatigue Plastic deformation Creep Endurance Fatigue Plastic deformation Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter ANSWER DOWNLOAD EXAMIANS APP
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