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
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure All of these Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W All of these Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Invar Elinvar Nichrome Magnin Invar Elinvar Nichrome Magnin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low hardness Low wear resistance Toughness Low tensile strength Low hardness Low wear resistance Toughness Low tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 0.1 0.02 2 0.4 0.1 0.02 2 0.4 ANSWER DOWNLOAD EXAMIANS APP