Engineering Materials Following elements have face-centered cubic structure Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. More than None of these Equal to Less than More than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cartridge brass can be Formed into tube Drawn into wires Any one of these Cold rolled into sheets Formed into tube Drawn into wires Any one of these Cold rolled into sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Precipitation Recrystallization Allotropic change Heat treatment Precipitation Recrystallization Allotropic change Heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability ANSWER DOWNLOAD EXAMIANS APP