Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Flakes Free carbon Cementite Nodular aggregates of graphite Flakes Free carbon Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are 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 The points where no further change occurs The points of discontinuity Constant for all metals ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Above 1% Below 1% Above 2.2% Below 0.5% Above 1% Below 1% Above 2.2% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1200°C to 1300°C 1500°C to 1700°C 800°C to 1000°C 400° to 700°C 1200°C to 1300°C 1500°C to 1700°C 800°C to 1000°C 400° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
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