Engineering Materials The lower critical point for all steels is 723°C 600°C 913°C 700°C 723°C 600°C 913°C 700°C 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 drawn into wires Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which allotropic forms change Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which allotropic forms change Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Sulphur, lead and phosphorus Nickel and chromium Nickel Chromium Sulphur, lead and phosphorus Nickel and chromium Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Manganese Chromium Vanadium Nickel Manganese Chromium Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS