Babbitt metal (used for making bearings) comprises of__________________?
Correct answer: A. Mainly tin (85%) and lead
- A. Mainly tin (85%) and lead
- B. Saw dust and iron dust mixture
- C. Zinc and aluminium
- D. Copper and aluminium
Explanation
Tin-based Babbitt metal commonly contains about 80 to 90% tin, with lead and smaller additions such as antimony and copper. The other options describe different alloy or material combinations, not bearing Babbitt.
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