Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Annealing Tempering Normalizing Carburising Annealing Tempering Normalizing Carburising ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron is Dielectric Ferromagnetic Ferroelectric Paramagnetic Dielectric Ferromagnetic Ferroelectric Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Whiteheart cast iron None of these Blackheart cast iron Both (A) and (B) Whiteheart cast iron None of these Blackheart cast iron Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Lowers Raises Does not effect None of these Lowers Raises Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP