Engineering Materials Nickel when added to copper improves Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are The points where there is no further flow of metal The points of discontinuity The points where no further change occurs Constant for all metals The points where there is no further flow of metal The points of discontinuity The points where no further change occurs Constant for all metals ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.4 to 0.6% 0.35 to 0.45% 0.0004 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% 0.0004 0.6 to 0.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Fracture due to high impact loads Externally applied forces with breakdown or yielding Deformation under stress None of these Fracture due to high impact loads Externally applied forces with breakdown or yielding Deformation under stress None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Aids fusibility and fluidity Increases hardness and brittleness Makes the iron soft and easily machinable Make the iron white and hard Aids fusibility and fluidity Increases hardness and brittleness Makes the iron soft and easily machinable Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP