Which of the following statement is true about brittle fracture?

A. High temperature and low strain rates favour brittle fracture

B. Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

C. Brittle fracture is always preceded by noise

D. Cup and cone formation is characteristic for brittle materials

Answer: Option B

Solution(By Examveda Team)

Brittle Fracture is the sudden, very rapid cracking of equipment under stress where the material exhibited little or no evidence of ductility or plastic degradation before the fracture occurs.
metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture