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 Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese 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 Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Reacting steel surface with cyanide salts Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Reacting steel surface with cyanide salts Obtaining cyanide salts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.0063 0.008 0.003 0.0002 0.0063 0.008 0.003 0.0002 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Flakes Free carbon Spheroids Cementite Flakes Free carbon Spheroids ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Acts as deoxidiser Decreases tensile strength and hardness Reduces the grain size Lowers the toughness and transverse ductility Acts as deoxidiser Decreases tensile strength and hardness Reduces the grain size Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
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