Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Critical temperature Melting point Hardness Yield point Critical temperature Melting point Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.45 0.3 0.55 0.7 0.45 0.3 0.55 0.7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which change of allotropic form takes place At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which change of allotropic form takes place At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged regularly in some directions but not in others, is called None of these Mesomorphous material Amorphous material Crystalline material None of these Mesomorphous material Amorphous material Crystalline material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP