Curioustab

Home » Civil Engineering » Tunnelling

The following operations are required for tunnelling in rocky terrain : 1. Removing the foul gases 2. Marking the tunnel profile 3. Setting up and drilling 4. Checking misfire 5. Mucking The correct sequence is :

1 2 3 4 5
2 3 5 4 1
4 2 1 3 5
2 3 1 4 5

Correct Answer: 2 3 1 4 5

← Previous Question Next Question→

More Questions from Tunnelling

Pick up the correct statement from the following:
Which one of the following methods is adopted for permanent drainage of tunnels :
For B.G. single track, the section of the tunnel must have a width
An overhead track on a large truss frame is required in case of car changer by
For B.G. single track railway, the height of the tunnel above top of rails should be
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 :
For initial surveys of tunnels, the following activities are involved: 1. Marking portal point with concrete pillars on the ground 2. Marking tunnel obligatory points on the topographical maps 3. Preliminary setting of the tunnel on the topographical Survey of India maps 3. Driving lines between the fixed obligatory points. The correct sequence of the activities is :
Pick up the mechanical ventilation method used for tunnels from the following:
In the wooded bulk-head, used for mucking in steep grade tunnels,
Concrete lining is provided concurrently with the driving operation in case of

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion