Engineering Materials The addition of which of the following improves machining of copper? Tin Zinc Sulphur Vanadium Tin Zinc Sulphur Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Medium carbon steel Chrome steel High carbon steel Low carbon steel Medium carbon steel Chrome steel High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated up to the lower critical temperature and then cooled in still air Heated below the lower critical temperature and then cooled slowly None of these 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 Heated below the lower critical temperature and then cooled slowly None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C ANSWER DOWNLOAD EXAMIANS APP