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mechanical engineering strength of materials
1. If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then
(A): the ductility of material A and B is equal
(B): the material A is brittle and material B is ductile
(C): the material A is more ductile than material B
(D): the material B is more ductile than material A
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