1. Circular section of tunnels is not suitable for
2. What is the correct sequence of the following events of construction of a shaft in rock ?
3. A good blast with a good yield is obtained if the cut hole is
4. As compared to a single free face, if a charge of explosive is placed equidistant from two faces, then the yield
5. Which of the following are percussion drills ?
6. Drifters can be used to drill
7. If 'N' is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are
8. The correct sequence of drilling equipment for increasing size of holes in tunnels is
9. Which of the following is not a component of the shield ?
10. In compressed air tunneling, the volume of free air provided is
11. Assertion A : English method of tunneling requires more time as compared to other methods of tunneling.
Reason R : In English method of tunneling, the masons and excavators have to work alternately.
Select your answer based on the coding system given below :
12. American method of tunneling
13. Which of the following lining material is useful for shield driven tunnels in sub aqueous regions ?
14. If 'D' is the diameter of tunnel in metres, then the thickness of lining in mm, as per the empirical formula is given by
15. Which one of the following tunnelling methods is used for laying under ground sewers ?
16. Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than
17. The most suitable soil for compressed air tunneling is
18. The needle beam method of tunnelling
19. Which of the following methods of tunnelling is used for long tunnels at great depths ?
20. In Belgium method of tunnelling
21. What is the correct sequence of the following events in rock tunnelling?
22. Drift method of tunnelling is used to construct tunnels in
23. Consider the following situations.
24. Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
25. In "full face" method of constructing tunnels, the first operation relates to
26. Which one of the following is a component of a shield for tunnelling ?
27. Assertion A : When rock conditions are favourable, 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.
Select your answer based on the coding system given below:
2. What is the correct sequence of the following events of construction of a shaft in rock ?
3. A good blast with a good yield is obtained if the cut hole is
4. As compared to a single free face, if a charge of explosive is placed equidistant from two faces, then the yield
5. Which of the following are percussion drills ?
6. Drifters can be used to drill
7. If 'N' is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are
8. The correct sequence of drilling equipment for increasing size of holes in tunnels is
9. Which of the following is not a component of the shield ?
10. In compressed air tunneling, the volume of free air provided is
11. Assertion A : English method of tunneling requires more time as compared to other methods of tunneling.
Reason R : In English method of tunneling, the masons and excavators have to work alternately.
Select your answer based on the coding system given below :
12. American method of tunneling
13. Which of the following lining material is useful for shield driven tunnels in sub aqueous regions ?
14. If 'D' is the diameter of tunnel in metres, then the thickness of lining in mm, as per the empirical formula is given by
15. Which one of the following tunnelling methods is used for laying under ground sewers ?
16. Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than
17. The most suitable soil for compressed air tunneling is
18. The needle beam method of tunnelling
19. Which of the following methods of tunnelling is used for long tunnels at great depths ?
20. In Belgium method of tunnelling
21. What is the correct sequence of the following events in rock tunnelling?
22. Drift method of tunnelling is used to construct tunnels in
23. Consider the following situations.
24. Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
25. In "full face" method of constructing tunnels, the first operation relates to
26. Which one of the following is a component of a shield for tunnelling ?
27. Assertion A : When rock conditions are favourable, 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.
Select your answer based on the coding system given below:
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