

Tunnelling - Engineering
Q1: For B.G. single track railway, the height of the tunnel above top of rails should beA
5.5 m to 5.8 m
B 5.8 m to 6.2 m
C
6.7 m to 7.3 m
D
7.3 m to 7.5 m
ANS:C - 6.7 m to 7.3 m Width of the tunnel : 4.9 - 5.5. |


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