Test your knowledge about Tunnel Engineering by taking this Multi Choice Question (MCQ) quiz. Get your score and actual answers at the end of this quiz.
1. Which one of the following tunnelling methods is used for laying under ground sewers ?
Needle beam method
Army method
German method
Italian Method
2. Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than
2 m
3 m
4 m
5 m
3. The most suitable soil for compressed air tunneling is
Silt
Sand
Clay
Gravel
4. The needle beam method of tunnelling
(i) is suitable for soils in which roof can stand for few minutes without support
(ii) is suitable for brick lining
(iii) is suitable for concrete lining
(iv) requires large number of trench jacks Of these statements
(i) is suitable for soils in which roof can stand for few minutes without support
(ii) is suitable for brick lining
(iii) is suitable for concrete lining
(iv) requires large number of trench jacks Of these statements
only (i) is correct
(i), (ii) and (iv) are correct
(i), (iii) and (iv) are correct
(i) and (ii) are correct
5. Which of the following methods of tunnelling is used for long tunnels at great depths ?
Army method
Needle beam method
Austrian method
English method
6. In Belgium method of tunnelling
construction of side walls is completed before invert and roof arch are built.
construction of roof arch is completed before side walls and invert are built.
construction of invert is completed before side walls and roof arch are built.
construction of invert and side walls is completed before roof arch is built.
7. 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:
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:
1,6,5,3,4,2,7
1,2,6,3,5,4,7
1, 6,2, 5,4, 3, 7
1,6,2,5,3,4,7
8. Drift method of tunnelling is used to construct tunnels in
Soft Grounds
Rock
Self Supporting Grounds
Broken Grounds
9. 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.
In the construction of Metro Railways, “Cut and Cover” method of construction is suitable in situations listed at
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.
In the construction of Metro Railways, “Cut and Cover” method of construction is suitable in situations listed at
1 and 2
1 and 3
1 and 4
2 and 3
10. Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
It is suitable for construction in unstable rocks.
In this method, it is easy to install timber support.
Tunnelling can be continuous and the work can be expedited.
In case of excessive water, it is easy to take correct steps.
11. In “full face” method of constructing tunnels, the first operation relates to
removal of bottom portion
excavation of one drift in the centre
removal of top portion
excavation being done along the periphery
12. Which one of the following is a component of a shield for tunnelling ?
liner plate
trench jack
stiffener
cutting edge
13. 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.
Select your answer based on the coding system given below:
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:
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Result
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