The material of construction of bearings is__________________?
Correct answer: C. Babbitt metal
- A. Cast iron
- B. Pig iron
- C. Babbitt metal
- D. Steel
Explanation
Babbitt metal is used for bearing linings because it is soft enough to embed small dirt particles and conform to the shaft, while providing good anti-friction behavior. Cast iron, pig iron, and ordinary steel are not the usual bearing lining materials.
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