Engineering Materials Dow metal contains 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Tin Zinc Vanadium Sulphur Tin Zinc Vanadium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It hard It easily machinable The casting unsound It brittle It hard It easily machinable The casting unsound It brittle ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron is Dielectric Paramagnetic Ferroelectric Ferromagnetic Dielectric Paramagnetic Ferroelectric Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is Heat resisting steel High speed steel Stainless steel Nickel steel Heat resisting steel High speed steel Stainless steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP