Engineering Materials The heat treatment process used for softening hardened steel is Tempering Annealing Normalizing Carburising Tempering Annealing Normalizing Carburising ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Pearlite and ferrite Pearlite and cementite Wholly austenite Wholly pearlite Pearlite and ferrite Pearlite and cementite Wholly austenite Wholly pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in tension Ability to recover its original form All of these Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form All of these Ability to undergo large permanent deformations in compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature 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 The grain size increases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Is same for all steels Increases as the carbon content in steel increases Depends upon the rate of heating Decreases as the carbon content in steel increases Is same for all steels Increases as the carbon content in steel increases Depends upon the rate of heating Decreases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP