Engineering Materials Cast iron is a Tough material Malleable material Ductile material Brittle material Tough material Malleable material Ductile material Brittle material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness Promotes decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum None of these Perpendicular to lines of slag distribution Uniform in all directions Along the lines of slag distribution None of these Perpendicular to lines of slag distribution Uniform in all directions Along the lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypoeutectic cast irons None of these Hypereutectic cast irons Eutectic cast irons Hypoeutectic cast irons None of these Hypereutectic cast irons Eutectic cast irons 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 Heat treatment Precipitation Allotropic change Recrystallization Heat treatment Precipitation Allotropic change ANSWER DOWNLOAD EXAMIANS APP