Engineering Materials Induction hardening is basically a Carburising process Surface hardening process None of these Core hardening process Carburising process Surface hardening process None of these Core hardening process 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 Which is false statement about normalizing? Normalizing is done to Improve mechanical properties Induce stresses Refine grain structure Reduce segregation in casting Improve mechanical properties Induce stresses Refine grain structure Reduce segregation in casting ANSWER DOWNLOAD EXAMIANS APP
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 Points of arrest for iron correspond to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In mottled cast iron, carbon is available in Combined form Free form Nodular form Partly in free and partly in combined state Combined form Free form Nodular form Partly in free and partly in combined state ANSWER DOWNLOAD EXAMIANS APP
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