MCQ Questions Civil Engineering Tunnel Engineering
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MCQ Questions Civil Engineering Tunnel Engineering - Set - 4
Question 1:
If ‘D’ is the diameter of tunnel in meters, then the thickness of lining in mm, as per the empirical formula is given by
(A) 42
(B) 82
(C) 104
(D) 124
Correct Answer – (B)
Question 2 :
Which one of the following is a component of a shield for tunneling?
(A) Liner plate
(B) Trench jack
(C) Stiffener
(D) Cutting edge
Correct Answer – (D)
Question 3 :
Which of the following methods of tunneling is used for long tunnels at great depths?
(A) Army method
(B) Needle beam method
(C) Austrian method
(D) English method
Correct Answer – (C)
Question 4 :
A good blast with a good yield is obtained if the cut hole is
(A) Normal to face
(B) Inclined at 45° to the face
(C) Inclined at 15° to the face
(D) Inclined at 30° to the face
Correct Answer – (B)
Question 5 :
The correct sequence of drilling equipment for increasing size of holes in tunnels is
(A) Wagon drill, churn drill, shot drill
(B) Wagon drill, shot drill, churn drill
(C) Shot drill, churn drill, wagon drill
(D) Churn drill, wagon drill, shot drill
Correct Answer – (A)
MCQ Questions Civil Engineering Tunnel Engineering
Question 6:
Which of the following are percussion drills?
(i) Shot drill
(ii) Diamond drill
(iii) Wagon drill
(iv) Churn drill
Of these statements
(A) (i) and (ii) are correct
(B) (iii) and (iv) are correct
(C) (i) and (iv) are correct
(D) (ii) and (iii) are correct
Correct Answer – (B)
Question 7:
Consider the following situations.
- Soil is soft.
- Volume of existing surface traffic on the alignment is heavy.
- Track is at a deeper level.
- 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 8:
Which of the following is not a component of the shield?
(A) Propelling jacks
(B) Liner plate
(C) Hood
(D) Tail
Correct Answer – (B)
Question 9:
As compared to a single free face, if a charge of explosive is placed equidistant from two faces, then the yield
(A) Remain same
(B) Decreases
(C) Increases by 2.25 times
(D) Increases by 3.5 times
Correct Answer – (C)
Question 10:
Which one of the following tunneling methods is used for laying underground sewers? (A) Needle beam method
(B) Army method
(C) German method
(D) Italian method
Correct Answer – (B)
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