Engineering Materials The percentage of carbon in grey iron castings usually varies between 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Uniform strength in all directions High ductility High resistance to rusting and corrosion Ability of hold protective coating Uniform strength in all directions High ductility High resistance to rusting and corrosion Ability of hold protective coating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one Which emits fumes on melting Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron 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 Aids fusibility and fluidity Increases hardness and brittleness Makes the iron soft and easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Malleability Brittleness Plasticity Ductility Malleability Brittleness Plasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Free carbon Nodular aggregates of graphite Cementite Flakes Free carbon Nodular aggregates of graphite Cementite Flakes ANSWER DOWNLOAD EXAMIANS APP
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