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 None of these Heated up to the lower critical temperature and then cooled in still air 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 None of these Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium Silver and chromium 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium Silver and chromium 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 5% silver 1% silver No silver 2% silver 5% silver 1% silver No silver 2% silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Titanium alloys Magnesium alloys Magnetic steel alloys Chromium alloys Titanium alloys Magnesium alloys Magnetic steel alloys Chromium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Surface decarburisation Cold working Shot peening Nitriding of surface Surface decarburisation Cold working Shot peening ANSWER DOWNLOAD EXAMIANS APP
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