Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Allotropic change Precipitation Recrystallization Heat treatment Allotropic change Precipitation Recrystallization ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 600°C 1493°C 1147°C 723°C 600°C 1493°C 1147°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter ANSWER DOWNLOAD EXAMIANS APP
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