Relative ductility comparison among common engineering metals Which listed material exhibits the highest ductility (greatest uniform elongation before fracture)? Choose the correct option.
Mechanical Engineering
Machine Design
Difficulty: Easy
Choose an option
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AMild steel
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BCopper
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CZinc
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DAluminium
Answer
Correct Answer: Copper
Explanation
ConceptAmong the given choices, copper is notably ductile (high percent elongation and reduction of area). Mild steel and aluminium are ductile but generally lower than copper; zinc is comparatively less ductile and more prone to brittleness at room temperature.
Final AnswerCopper