Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Physical change Molecular change Solidus change Allotropic change Physical change Molecular change Solidus change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Combined carbon in iron makes the metal Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 1400 to 1539°C 770 to 910°C Below 723°C 910 to 1440°C 1400 to 1539°C 770 to 910°C Below 723°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon Stress reduces on increasing load In which parts are not loaded In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load In which parts are not loaded In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Cementite Nodular aggregates of graphite Free carbon Flakes Cementite Nodular aggregates of graphite Free carbon Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Plasticity Malleability Ductility Brittleness Plasticity Malleability Ductility Brittleness ANSWER DOWNLOAD EXAMIANS APP