Engineering Materials
Which of the following statement is true about brittle fracture?

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture
Cup and cone formation is characteristic for brittle materials
Brittle fracture is always preceded by noise
High temperature and low strain rates favour brittle fracture

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
The temperature required for full annealing in hypereutectoid steel is

30° C to 50° C above lower critical temperature
30° C to 50° C below upper critical temperature
30° C to 50° C below lower critical temperature
30° C to 50° C above upper critical temperature

ANSWER DOWNLOAD EXAMIANS APP