The needle beam method of tunneling______________?

Related Mcqs:

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...

Assertion A : When rock conditions are favorable, it will not be necessary to take up concrete lining concurrently with the driving operations till the full length of the tunnel has been driven through rock. Reason R : A tunnel through rock, hard or soft, does not need any concrete lining________________?

A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not the correct explanation of A C. A is true but R is false D. A is false but R is true...

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...