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Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio _____________________?
50 : 20 : 20 : 10
Correct answer
B
40 : 30 : 20 : 10
Option B
C
50 : 20 : 10 : 20
Option C
D
30 : 20 : 30 : 20
Option D
Correct answer: A
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