Related Questions

The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in
A aqueduct and syphon aqueduct
B aqueduct and super passage
C super passage and canal syphon
D level crossing
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
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
The advantages of providing a pair of tunnels as compared to only one large highway tunnel is:
A Economy in cost of construction
B Avoidance of head on collisions
C Provision of separate exit and entrance of two traffic streams
D All the above
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
Pick up the mechanical ventilation method used for tunnels from the following:
A Blowing fresh air by ducts to the face of tunnel
B Exhausting foul air by ducts from the face of the tunnel and permitting fresh air through the tunnel
C Blowing fresh air and exhausting foul air by ducts
D All the above
The tunnels, the artificial underground passages are constructed for:
A Highways
B Railways
C Sewerage
D All the above
Circular section of tunnels is not suitable for
A Carrying water
B Non-cohesive soils
C Tunnels driven by shield method
D Placement of concrete lining
Railway tunnels are generally
A Polycentric
B Rectangular
C Parabolic
D Circular
The method of draining in the tunnels, is generally known as
A Foredrainage
B Dewatering
C Permanent drainage
D All of the above

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