Mechanical Engineering Mcqs
Q DuraJomin contains___________________?
  • A A. 94% aluminium, 4% copper and 0.5% mn, mg, si and fe
  • B B. 92.5% aluminium, 40% copper, 2% nickel, and 1.5% mg
  • C C. 10% aluminium and 90% copper
  • D D. 90% magnesium and 9% aluminium with some copper
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