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14. The diagram shows stress v/s strain curve for the materials A and B. From the curves we infer that

(a)   A is brittle but B is ductile

             (b)   A is ductile and B is brittle

(c)   Both A and B are ductile

(d)   Both A and B are brittle

Explanation-(b) In ductile materials, yield point exist while in Brittle material, failure would occur without yielding.

(3)

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