Engineering Materials Which of the following display properties similar to that of steel? Both (A) and (B) Whiteheart cast iron None of these Blackheart cast iron Both (A) and (B) Whiteheart cast iron None of these Blackheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron is Ferromagnetic Dielectric Paramagnetic Ferroelectric Ferromagnetic Dielectric Paramagnetic Ferroelectric ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Zinc Sulphur Vanadium Tin Zinc Sulphur Vanadium Tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Recrystallization Precipitation Allotropic change Heat treatment Recrystallization Precipitation Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP