MCQOPTIONS
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MCQOPTIONS
| 1. |
Which is the formula for railexcess length which the inner rail gains over outer? |
| A. | 4 G |
| B. | 2 G |
| C. | 4 G<sup>2</sup> |
| D. | G |
| Answer» C. 4 G<sup>2</sup> | |