Engineering Materials Preheating is essential in welding High speed steel Cast iron All of these All nonferrous materials High speed steel Cast iron All of these All nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve toughness Improve ductility Improve machinability Release stresses Improve toughness Improve ductility Improve machinability Release stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Tempering Carburising Annealing Normalizing Tempering Carburising Annealing Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these Heated below the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. Less than Equal to More than None of these Less than Equal to More than None of these ANSWER DOWNLOAD EXAMIANS APP
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