Drift method of tunnelling is used to construct tunnels in__________________?

Related Mcqs:

A good blast with a good yield is obtained if the cut hole is___________________?

A. normal to face B. inclined at 45° to the face C. inclined at 15° to the face D. inclined at 30° to the face...

What is the correct sequence of the following events in rock tunnelling?

1. marking tunnel profile 2. loading explosives and blasting 3. checking misfire 4. mucking 5. removing foul gas 6. setting up and drilling 7. guniting Select the correct answer using the codes given below Codes ? A. 1,6,5,3,4,2,7 B. 1,2,6,3,5,4,7 C. 1, 6,2, 5,4, 3, 7 D. 1,6,2,5,3,4,7...

Which one of the following is a component of a shield for tunnelling ?

A. liner plate B. trench jack C. stiffener D. cutting edge...

Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?

A. It is suitable for construction in unstable rocks B. In this method, it is easy to install timber support C. Tunnelling can be continuous and the work can be expedited D. In case of excessive water, it is easy to take correct steps...

In the construction of Metro Railways, “Cut and Cover” method of construction is suitable in situations listed at________________?

Consider the following situations 1. Soil is soft 2. Volume of existing surface traffic on the alignment is heavy 3. Track is at a deeper level 4. Water table is high A. 1 and 2 B. 1 and 3 C. 1 and 4 D. 2 and 3...