Tunnel Engineering MCQ Questions & Answers | Civil Engineering Page-5 section-1

41.
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:

A. 1, 2, 3, 4

B. 4, 3, 2, 1

C. 1, 3, 2, 4

D. 2, 1, 4, 3

Answer & Solution Discuss in Board Save for Later

42.
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. Tunneling can be continuous and the work can be expedited

D. In case of excessive water, it is easy to take correct steps

Answer & Solution Discuss in Board Save for Later

43.
Which one of the following methods is generally adopted for tunnelling in firm ground

A. Full face method

B. Top heading and benching method

C. Drift method

D. All the above

Answer & Solution Discuss in Board Save for Later

44.
Which of the following is not a component of the shield?

A. Propelling jacks

B. Liner plate

C. Hood

D. Tail

Answer & Solution Discuss in Board Save for Later

45.
Which one of the following statements is not correct for heading and benching method of tunnelling?

A. Drilling and mucking can be done simultaneously

B. Benching provides a platform for working on heading

C. Removal of muck from the heading is very easy

D. None of these

Answer & Solution Discuss in Board Save for Later

46.
Which one of the following statements is not correct with regard to heading and henching method of tunnelling?

A. Driving of tunnel is done in two portions of its section

B. Driving the top portion is done in advance of the bottom portion

C. The holes in head and bench are loaded together with explosive for blasting

D. Firing of head holes is done just before the bench holes are fired

Answer & Solution Discuss in Board Save for Later

47.
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

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

Answer & Solution Discuss in Board Save for Later

48.
An overhead track on a large truss frame is required in case of car changer by

A. The grass hopper method

B. The passing track method

C. California crossing method

D. Dixon conveyor method

Answer & Solution Discuss in Board Save for Later

49.
Pick up the explosive used for tunnelling in soft rocks from the following:

A. Blasting gelatine

B. Special gelatine

C. Ammonia dynamite

D. Semi-gelatine

Answer & Solution Discuss in Board Save for Later

50.
Pick up the mechanical ventilation method used for tunnels from the following:

A. Blowing fresh air by ducts to the face of tunnel

B. Exhausting foul air by ducts from the face of the tunnel and permitting fresh air through the tunnel

C. Blowing fresh air and exhausting foul air by ducts

D. All the above

Answer & Solution Discuss in Board Save for Later

Tunnel Engineering MCQ Questions & Answers | Civil Engineering

Answer & Solution

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

Answer & Solution

43. Which one of the following methods is generally adopted for tunnelling in firm ground

Answer & Solution

44. Which of the following is not a component of the shield?

Answer & Solution

45. Which one of the following statements is not correct for heading and benching method of tunnelling?

Answer & Solution

46. Which one of the following statements is not correct with regard to heading and henching method of tunnelling?

Answer & Solution

47. 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

Answer & Solution

48. An overhead track on a large truss frame is required in case of car changer by

Answer & Solution

49. Pick up the explosive used for tunnelling in soft rocks from the following:

Answer & Solution

50. Pick up the mechanical ventilation method used for tunnels from the following:

Answer & Solution

42.
Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?

43.
Which one of the following methods is generally adopted for tunnelling in firm ground

44.
Which of the following is not a component of the shield?

45.
Which one of the following statements is not correct for heading and benching method of tunnelling?

46.
Which one of the following statements is not correct with regard to heading and henching method of tunnelling?

47.
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

48.
An overhead track on a large truss frame is required in case of car changer by

49.
Pick up the explosive used for tunnelling in soft rocks from the following:

50.
Pick up the mechanical ventilation method used for tunnels from the following: