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| Q. |
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 × 13 cm with 75 cm sleeper spacing is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» C. 25 cm | |
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