Tunnelling MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Tunnelling, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Tunnelling MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Tunnelling mcq questions that explore various aspects of Tunnelling problems. Each MCQ is crafted to challenge your understanding of Tunnelling principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Tunnelling MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Tunnelling. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Tunnelling knowledge to the test? Let's get started with our carefully curated MCQs!

Tunnelling MCQs | Page 4 of 5

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Q31.
For highways, tunnelling is preferred to if the open cut exceeds :

a.

10 metres depth

b.

15 metres depth

c.

20 metres depth

d.

25 metres depth.

Discuss
Answer: (b).15 metres depth
Q32.
The following operations are required for tunnelling in rocky terrain :

1. Removing the foul gases
2. Marking the tunnel profile
3. Setting up and drilling
4. Checking misfire
5. Mucking

The correct sequence is :

a.

1 2 3 4 5

b.

2 3 5 4 1

c.

4 2 1 3 5

d.

2 3 1 4 5

Discuss
Answer: (d).2 3 1 4 5
Q33.
The advantages of providing a pair of tunnels as compared to only one large highway tunnel is :

a.

economy in cost of construction

b.

avoidance of head on collisions

c.

provision of separate exit and entrance of two traffic streams

d.

All the above.

Discuss
Answer: (d).All the above.
Q34.
Which one of the following statements is not correct in respect of setting of an inclined tunnel:

a.

Reference points are constructed at every 300 m.

b.

The alignment is fixed from upper/lower apex point.

c.

The level of the invert at the heading is marked by a tape.

d.

None the above.

Discuss
Answer: (d).None the above.
Q35.
Forepoling method is generally adopted for tunnelling in :

a.

soft ground

b.

firm ground

c.

running ground

d.

None of these.

Discuss
Answer: (a).soft ground
Q36.
Concrete lining is provided concurrently with the driving operation in case of

a.

rock terrain

b.

soft rock

c.

running soil

d.

none of these.

Discuss
Answer: (a).rock terrain
Q37.
The concentration of the dust particles of the size 0.5 to 5 microns adjacent to the working face should not be more than

a.

200 particles/cm³

b.

250 particles/cm³

c.

300 particles/cm³

d.

450 particles/cm³

Discuss
Answer: (d).450 particles/cm³
Q38.
Which one of the following statements is not correct with regard to heading and hench-ing 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.

After driving the top portion 3 m to 3.5 m holes are drilled into the head and bench.

d.

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

Discuss
Answer: (d).Firing of head holes is done just before the bench holes are fired.
Q39.
The most commonly adopted pattern of cut holes is :

a.

horizontal wedge cut

b.

pyramid cut

c.

fan cut

d.

All the above.

Discuss
Answer: (d).All the above.
Q40.
Which one of the following linings is suitable for shield driven tunnels particularly in the subaqueous regions :

a.

Brick lining

b.

stone lining

c.

timber line

d.

cast iron lining

Discuss
Answer: (d).cast iron lining
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