Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Silver Glass Lead Mica Silver Glass Lead Mica ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with Duralumin Stainless steel German silver Gun metal Duralumin Stainless steel German silver Gun metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Uniform strength in all directions High resistance to rusting and corrosion High ductility Ability of hold protective coating Uniform strength in all directions High resistance to rusting and corrosion High ductility Ability of hold protective coating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP