Q41
For transferring the tunnel alignment through shafts, we adopt the following steps: 1.Hanging two or more plumb lines in the shaft2.Determining the bearing of the plumb lines i.e. plumb plane3.Suspending a 35 kg weight by each plumb line4.Immersing the weights of both the plumb lines in the buckets containing waterThe correct sequence of steps is:
A.
1, 2, 3, 4
AnswerB.
4, 3, 2, 1
C.
1, 3, 2, 4
D.
2, 1, 4, 3
Answer: Option A
Solution
Answer: Option A
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