Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon 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 Which is false statement about case hardening? Case hardening is done by Electroplating Nitriding Induction hardening Cyaniding Electroplating Nitriding Induction hardening Cyaniding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Copper Silicon Nickel Chromium Copper Silicon Nickel Chromium 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 Atomic packing factor Space lattice None of these Coordination number Atomic packing factor Space lattice None of these Coordination number ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Weld decay is the phenomenon found with Cast iron Mild steel Stainless steel Nonferrous materials Cast iron Mild steel Stainless steel Nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
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