Which of the following is prone to cup and cone fracture ?
Correct answer: C. Round specimen of ductile metal
- A. Cast iron
- B. Soft brass
- C. Round specimen of ductile metal
- D. Flat tensile specimen of ductile metal
Explanation
Cup-and-cone fracture is the characteristic ductile fracture of a round tensile specimen, produced by necking followed by shear at the edges. Cast iron is brittle, while the round ductile specimen is the standard textbook example.
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