Engineering Materials Addition of manganese to aluminium results in Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 1493°C 723°C 600°C 1147°C 1493°C 723°C 600°C 1147°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Free carbon Flakes Cementite Nodular aggregates of graphite Free carbon Flakes Cementite Nodular aggregates of graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and nickel Copper and zinc Copper and tin Copper and iron Copper and nickel Copper and zinc Copper and tin Copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure All of these Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ratio of the volume occupied by the atoms to the total volume of the unit cell is called Coordination number Space lattice Atomic packing factor None of these Coordination number Space lattice Atomic packing factor None of these ANSWER DOWNLOAD EXAMIANS APP