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
Solution(By Examveda Team)
The composition of alnico alloys is typically 50% of Iron, 20% of nickel,20% of aluminium and 10% of cobaltThis Question Belongs to Mechanical Engineering >> Engineering Materials
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