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Plain tin bronze contains _____ of copper.

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in Engineering Material & Metallurgy by (773k points)
Plain tin bronze contains _____ of copper.

(a) 85%

(b) 88%

(c) 75%

(d) 90%

The question was posed to me in an internship interview.

I'm obligated to ask this question of Bearing Materials in division Non Ferrous Materials of Engineering Material & Metallurgy

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The correct option is (a) 85%

Explanation: Plain tin bronze is a type of Copper-base bearing alloy which contains 85% Cu and 15% Sn. Phosphorus bronze contains 88% Cu, whereas leaded bronze contains 75% Cu. 90% of powered Cu is used in sintered bronzes.

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