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For transferring the tunnel alignment through shafts we adopt the following...

This question belongs to Civil Engineering Tunnel Engineering
Tunnel Engineering
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For transferring the tunnel alignment through shafts, we adopt the following steps:
1.Hanging two or more plumb lines in the shaft
2.Determining the bearing of the plumb lines i.e. plumb plane
3.Suspending a 35 kg weight by each plumb line
4.Immersing the weights of both the plumb lines in the buckets containing water
The correct sequence of steps is:

Answer & Solution
Correct Answer: Option A
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