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Q. |
Which of the following is used as filler in tyre of rubber? |
A. | Carbon black |
B. | Coal |
C. | Coke |
D. | Graphite |
Answer» A. Carbon black | |
Explanation: The most common use (70%) of carbon black is as a pigment and reinforcing phase in automobile tires. Carbon black also helps conduct heat away from the tread and belt area of the tire, reducing thermal damage and increasing tire life. |
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