Engineering Materials Admiralty gun metal contains Iron scrap and zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Iron scrap and zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 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 Recrystallization Allotropic change Heat treatment Precipitation Recrystallization Allotropic change Heat treatment Precipitation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In circular motion In a random manner Back and forth like tiny pendulums In a haphazard way In circular motion In a random manner Back and forth like tiny pendulums In a haphazard way ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Free carbon Cementite Flakes Nodular aggregates of graphite Free carbon Cementite Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 1400 to 1539°C 770 to 910°C Below 723°C 910 to 1440°C 1400 to 1539°C 770 to 910°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP