Engineering Materials Hardness of martensite is about RC 57 RC 80 RC 65 RC 48 RC 57 RC 80 RC 65 RC 48 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 brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dye penetrant method is generally used to locate Core defects Temporary defects Superficial defects Surface defects Core defects Temporary defects Superficial defects Surface defects ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly None of these Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly None of these Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Vanadium Cobalt Chromium Nickel Vanadium Cobalt Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP