Question

________ types of bearing alloys contain powdered copper and tin.

(a) Plain tin bronze

(b) Phosphorus bronze

(c) Leaded bronze

(d) Sintered bronze

I had been asked this question during an interview.

This interesting question is from Bearing Materials in section Non Ferrous Materials of Engineering Material & Metallurgy

Answer 1

Right answer is (d) Sintered bronze

Best explanation: Sintered bronze is a type of Copper-base bearing alloy. It contains 90% copper powder and 10% tin powder. They are usually self-lubricated.