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| Q. |
In case of worm and worm wheel, the maximum efficiency is obtained when |
| A. | Worm is driver |
| B. | Worm wheel is driver |
| C. | Either of the worm or worm wheel is a driver |
| D. | Depends on other factors |
| E. | None of the above |
| Answer» C. Either of the worm or worm wheel is a driver | |
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