Circular section of tunnels is not suitable for________________?
If ‘N’ is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are_________________________?
Which of the following is not a component of the shield ?
If ‘D’ is the diameter of tunnel in meters, then the thickness of lining in mm, as per the empirical formula is given by_________________?
Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than_____________________?
In Belgium method of tunneling _________________?
Drift method of tunnelling is used to construct tunnels in__________________?
Which one of the following is a component of a shield for tunnelling ?
Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?
