GAT Subject
Engineering
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1. | What J. B. Dunlop invented? | |
A. | Pneumatic rubber tire | |
B. | Automobile wheel rim | |
C. | Rubber boot | |
D. | Model airplanes | |
Answer: Option A | |
Explanation: | |
ohn Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887. |
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