Engineering Materials When medium carbon steel is heated to coarsening temperature 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 The grain size first increases and then decreases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Induce stresses Reduce segregation in casting Refine grain structure Improve mechanical properties Induce stresses Reduce segregation in casting Refine grain structure Improve mechanical properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Below 0.8% Above 0.8% None of these 0.008 Below 0.8% Above 0.8% None of these 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.0004 0.6 to 0.8% 0.35 to 0.45% 0.4 to 0.6% 0.0004 0.6 to 0.8% 0.35 to 0.45% 0.4 to 0.6% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond None of these Ionic bond Metallic bond Covalent bond None of these Ionic bond Metallic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades ANSWER DOWNLOAD EXAMIANS APP