MCQOPTIONS
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| 1. |
The cranks in quick return motion rotates through angle 180 degree in clockwise direction for cutting stroke. Then the ratio of time of cutting stroke to time of return stroke is: |
| A. | 1.5 |
| B. | 0.5 |
| C. | 0.8 |
| D. | 1 |
| Answer» E. | |