Chemical Engineering Materials and Construction
Q ‘Age hardening’ of duralumin is due to____________________?
  • A A. Copper
  • B B. Magnesium
  • C C. Both a. & b.
  • D D. Neither a. nor b.
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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