Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Hardness Critical temperature Melting point Yield point Hardness Critical temperature Melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Plasticity Malleability Ductility Brittleness Plasticity Malleability Ductility Brittleness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.05 to 0.20% 0.20 to 0.45% 0.55 to 1.0% 0.45 to 0.55% 0.05 to 0.20% 0.20 to 0.45% 0.55 to 1.0% 0.45 to 0.55% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Face centered cubic space lattice None of these Body centered cubic space lattice Close packed hexagonal space lattice Face centered cubic space lattice None of these Body centered cubic space lattice Close packed hexagonal space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS