Engineering Materials Points of arrest for iron correspond to Stages at which properties do not change with increase in temperature Stages at which allotropic forms change There is nothing like points of arrest Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature Stages at which allotropic forms change There is nothing like points of arrest Stages at which further heating does not increase temperature for some time ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Ability of hold protective coating Uniform strength in all directions High resistance to rusting and corrosion High ductility Ability of hold protective coating Uniform strength in all directions High resistance to rusting and corrosion High ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Low compressive strength Carbon in the form of free graphite All of these High tensile strength Low compressive strength Carbon in the form of free graphite All of these High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are The points of discontinuity The points where there is no further flow of metal The points where no further change occurs Constant for all metals The points of discontinuity The points where there is no further flow of metal The points where no further change occurs Constant for all metals ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a 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 a 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
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