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:
A. 1, 2, 3, 4
B. 4, 3, 2, 1
C. 1, 3, 2, 4
D. 2, 1, 4, 3
Answer: Option A
This Question Belongs to Civil Engineering >> Tunnel Engineering
Related Questions on Tunnel Engineering
A. (i) and (ii) are correct
B. (iii) and (iv) are correct
C. (i) and (iv) are correct
D. (ii) and (iii) are correct
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?
A. Stone masonry
B. Timber
C. Cast iron
D. Cement concrete
Which of the following methods of tunneling is used for long tunnels at great depths?
A. Army method
B. Needle beam method
C. Austrian method
D. English method
A. Only up holes
B. Only down holes
C. Horizontal or up holes
D. Horizontal down or up holes
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