MCQ Questions Civil Engineering Tunnel Engineering
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MCQ Questions Civil Engineering Tunnel Engineering - Set - 3
Question 1:
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:
(A) Both A and R is true and R is the correct explanation of A
(B) Both A and R is true but R is not the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true
Correct Answer – (C)
Question 2 :
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?
(A) Stone masonry
(B) Timber
(C) Cast iron
(D) Cement concrete
Correct Answer – (C)
Question 3 :
Which one of the following is a component of a shield for tunnelling ?
a) liner plate
b) trench jack
c) stiffener
d) cutting edge
Correct Answer – (D)
Question 4 :
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) Tunnelling can be continuous and the work can be expedited.
d) In case of excessive water, it is easy to take correct steps.
Correct Answer – (C)
Question 5 :
Drift method of tunneling is used to construct tunnels in
a) soft grounds
b) rock
c) self supporting grounds
d) broken grounds
Correct Answer – (B)
MCQ Questions Civil Engineering Tunnel Engineering
Question 6:
Drift method of tunneling is used to construct tunnels in
(A) Soft grounds(B) Rock
(C) Self supporting grounds
(D) Broken grounds
Correct Answer – (B)
Question 7:
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:
a) Both A and R are true and R is the correct explanation of A.
b) Both A and R are true but R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
Correct Answer – (C)
Question 8:
In “full face” method of constructing tunnels, the first operation relates to
a) removal of bottom portion
b) excavation of one drift in the centre
c) removal of top portion
d) excavation being done along the periphery
Correct Answer – (D)
Question 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
a) 1 and 2
b) 1 and 3
c) 1 and 4
d) 2 and 3
Correct Answer – (C)
Question 10:
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:
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
Correct Answer – (C)
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