Related Questions

The method of draining in the tunnels, is generally known as
A Foredrainage
B Dewatering
C Permanent drainage
D All of the above
In “full face” method of constructing tunnels, the first operation relates to
A Removal of bottom portion
B Excavation of one drift in the centre
C Removal of top portion
D Excavation being done along the periphery
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
In the wooded bulk-head, used for mucking in steep grade tunnels,
A One opening is provided
B Two openings are provided
C Three openings are provided
D No opening is provided
Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than
A 2 m
B 3 m
C 4 m
D 5 m
If ‘N’ is the number of shafts used, then the total number of faces available for attacking the excavation and construction in tunnels are
A 2N
B N + 2
C 2N + 1
D 2N + 2
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 one of the following linings is suitable for shield driven tunnels particularly in the sub-aqueous regions?
A Brick lining
B Stone lining
C Timber line
D Cast iron lining
Which one of the following methods is adopted for permanent drainage of tunnels?
A Provision of longitudinal drains
B Continuous open drains
C Concrete lining
D All the above
The tunnels, the artificial underground passages are constructed for:
A Highways
B Railways
C Sewerage
D All the above

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