Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Iron scrap and zinc 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Iron scrap and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. None of these More than Less than Equal to None of these More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has All of these High tensile strength Low melting point High machinability All of these High tensile strength Low melting point High machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Spheroids Free carbon Flakes Cementite Spheroids Free carbon Flakes ANSWER DOWNLOAD EXAMIANS APP