Alinco, which is a aluminium-cobalt-nickel steel, is used for making __________________?
Correct answer: C. Powerful magnets
- A. Surgical instruments
- B. Chemical equipments
- C. Powerful magnets
- D. Boiler tubes
Explanation
Alnico contains aluminium, nickel, and cobalt and is designed to retain strong magnetism, so it is used for powerful permanent magnets. Its magnetic properties, not corrosion resistance or high-temperature tubing strength, determine this application.
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