Engineering Materials Eutectoid reaction occurs at 1493°C 1147°C 723°C 600°C 1493°C 1147°C 723°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Allotropic change Physical change Solidus change Molecular change Allotropic change Physical change Solidus change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Cupola Bessemer converter Blast furnace Open hearth furnace Cupola Bessemer converter Blast furnace Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
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