MCQOPTIONS
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| 1. |
NATM method of tunneling is suitable fora. Subway constructionb. Abnormal geological conditionsc. Soils at the medium of shallow depthd. Tunneling large sections in very difficult ground |
| A. | a and b only |
| B. | a, c, and d only |
| C. | b and d only |
| D. | a, b, c, and d |
| Answer» E. | |