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Civil Engineering - Tunnelling

Exercise : Tunnelling - Section 1
  • Tunnelling - Section 1
31.
In the wooded bulk-head, used for mucking in steep grade tunnels,
one opening is provided
two openings are provided
three openings are provided
no opening is provided.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Railway tunnels, are generally
polycentric
rectangular
parabolic
circular
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Pick up the explosive used for tunnelling in soft rocks from the following :
blasting gelatine
special gelatine
ammonia dynamite
semi-gelatine.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The cut of a tunnel face is shown in given figure. This is called
Michigan cut
Burn cut
Fan cut
Horizontal cut.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
For B.G. single track, the section of the tunnel must have a width
4.2 m to 4.5 m
4.5 m to 4.8 m
4.9 m to 5.5 m
5.5 m to 5.8 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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