Engineering Materials Bell metal contains 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is 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 None of these Heated below the lower critical temperature and then cooled slowly 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 None of these Heated below the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Copper Silicon Chromium Nickel Copper Silicon Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are The points where no further change occurs The points of discontinuity Constant for all metals The points where there is no further flow of metal The points where no further change occurs The points of discontinuity Constant for all metals The points where there is no further flow of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 2 0.1 0.4 0.02 2 0.1 0.4 0.02 ANSWER DOWNLOAD EXAMIANS APP
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