Which of the following statement is true about brittle fracture?

1.	Which of the following statement is true about brittle fracture?
A.	High temperature and low strain rates favour brittle fracture
B.	Many metal with HCP 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» C. Brittle fracture is always preceded by noise

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Which of the following statement is true about brittle fracture?

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