Engineering Materials Points of arrest for iron correspond to Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change Stages at which properties do not change with increase in temperature There is nothing like points of arrest Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change Stages at which properties do not change with increase in temperature There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The blade of a power saw is made of Boron steel Malleable cast iron High speed steel Stainless steel Boron steel Malleable cast iron High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Brittle fracture is always preceded by noise High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Brittle fracture is always preceded by noise ANSWER DOWNLOAD EXAMIANS APP