McqMate
| Q. |
Which of the following statement is correct? |
| A. | Steeper gradients are, sometimes, provided to avoid deep excavations. |
| B. | Steeper gradients are, sometimes, provided to avoid long detours. |
| C. | Exceptional gradient becomes necessary to avoid deep cuttings. |
| D. | all of the above |
| Answer» D. all of the above | |
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