Engineering Materials

Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio_____.

  • A. 50 : 20 : 20 : 10
  • B. 40 : 30 : 20 : 10
  • C. 50 : 20 : 10 : 20
  • D. 30 : 20 : 30 : 20
Answer: Option A.
Explanation:

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