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- Subject
- Tunnel Engineeringcivil-engineering-mcqs › tunnel-engineering
- Published
- 19 Jan 2019
- Last updated
- 28 May 2026
Explanation
Option A refers to removing the bottom part first, which is incorrect. Option B involves excavating a central drift, which is not the initial step in this method. Option C suggests removing the top portion first, which is also incorrect. The correct approach in the full face method is to begin excavation along the tunnel's perimeter, as stated in option D.
More Tunnel Engineering MCQs
Practice related questions from the same subject.
- 1.For the construction of Metro Railways, the 'Cut and Cover' technique is most appropriate under which of the following conditions?
- 2.Assertion (A): If the rock conditions are suitable, it is not essential to install concrete lining simultaneously during tunnel excavation until the entire tunnel length is completed. Reason (R): Tunnels constructed through rock, whether hard or soft, do not require any concrete lining. Which of the following is correct?
- 3.Which statement accurately describes the American tunneling method?
- 4.Which of the following statements about the needle beam tunneling technique are accurate?
- 5.Assertion (A): The English tunneling technique takes more time compared to other tunneling methods. Reason (R): In the English tunneling method, masons and excavators work in an alternating sequence.
- 6.Which pair of the following drills are classified as percussion drills?
- 7.Which of the following represents the proper order of steps involved in constructing a shaft in rock?
- 8.How does the explosive yield change when a charge is positioned equidistant from two free surfaces compared to being near a single free surface?
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