Mechanical Engineering Mcqs

Monel metal contains_________________?
  • (A)  63 to 67% nickel and 30% copper
  • (B)  88% copper and 10% tin and rest zinc
  • (C)  alloy of tin, lead and cadmium
  • (D)  malleable iron and zinc
  • (E)  none of the above
DuraJomin contains___________________?
  • (A)  94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
  • (B)  92.5% aluminium, 40% copper, 2% nickel, and 1.5% Mg
  • (C)  10% aluminium and 90% copper
  • (D)  90% magnesium and 9% aluminium with some copper
  • (E)  94% aluminium and 6% tin