Engineering Materials In malleable iron, carbon is present in the form of Free carbon Cementite Nodular aggregates of graphite Flakes Free carbon Cementite Nodular aggregates of graphite Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Elastic properties in all directions Thermal properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions Elastic properties in all directions Thermal properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Improve toughness Improve ductility Release stresses Improve machinability Improve toughness Improve ductility Release stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Allotropic change Physical change Solidus change Molecular change Allotropic change Physical change Solidus change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% ANSWER DOWNLOAD EXAMIANS APP