Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Flakes Cementite Free carbon Nodular aggregates of graphite Flakes Cementite Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Increases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels Decreases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can cut another metal Can be rolled or hammered into thin sheets Can be drawn into wires Breaks with little permanent distortion Can cut another metal Can be rolled or hammered into thin sheets Can be drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is Orthorhombic crystalline structure H.C.P. C.C. F.C.C. Orthorhombic crystalline structure H.C.P. C.C. F.C.C. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 57 710 1015 35 57 710 1015 35 ANSWER DOWNLOAD EXAMIANS APP