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The composition of delta metal is _________

(a) 60% iron, 3% zinc and 37% copper

(b) 3% iron, 60% zinc and 37% copper

(c) 3% iron, 37% zinc and 60% copper

(d) 37% iron, 60% zinc and 3% copper

I got this question in an online interview.

I want to ask this question from Non-Ferrous Metals and Alloys in division Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

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The correct option is (c) 3% iron, 37% zinc and 60% copper

Easy explanation: The composition of delta metal is 3% iron, 37% zinc and 60% copper. Delta metal has high resistant to corrosion and can be used to resist corrosion in place of mild steel.

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