Civil Engineering MCQ Quiz Hub

1. The method in which roof arch is completed before excavating a trench for laying muck track is known as
American method
Austrian method
English method
Belgium method

2. The explosive recommended for blasting a soft rock
Ammonia dynamite
Blasting gelatin
Special gelatin 9 to 40%
Semi gelatin

3. Which one of the following is not a permanent drainage work
Concrete ling
Grouting with cement chemicals
Pumping water
) Providing longitudinal drains

4. The method employing steel lined plates and air compressors for driving them is known as
Needle beam method
Shield method
Tunnelling with liner plates
None of the above

5. First tunnel built in the world was in Babylon, in the year
200 AD
600 AD
200 BC
2000 BC

6. Mechanical ventilation method used in tunnels consists of
Blowing fresh air
Providing exhaust air by ducts
Both a and b
None of the above

7. The drilling pattern in which 3 to 4 converging holes are so directed that they meet at point further is known as
Burn cut
Fan cut
V cut
Pyramid cut

8. Which one of the following is a method tunnelling in running ground?
Top heading and benching method
Liner plate method
Flying arch method
Needle beam method

9. Diverting water entering tunnel is
Drainage work during construction
Permanent drainage work
Predrainage work
All the above

10. Which one of the following is a method of tunneling in firm soft strata?
Full face method
Top heading and benching
Needle beam method
Drift method

11. Drift method of tunnelling is used to construct tunnel in
broken grounds
rocks
running ground
soft ground

12. Which one of the following is a component of a shield for tunneling?
cutting edge
stiffener
trench plate
liner plate

13. In Belgium method of tunneling
construction of invert and side walls is completed before roof arch is built
construction of invert is completed before side walls and roof arch are built
construction of roof arch is completed before side walls and invert are built
construction of side walls is completed before invert and roof arch

14. Circular section of tunnels is not suitable for
placement of concrete lining
tunnels driven by shield method
carrying water
non cohesive soils

15. The explosive used in tunnelling is
ammonia dynamite
semi gelatin
blastic gelatin
any one of the above

16. For tunnels exceeding 300 m in length, the grade should be provided below
80% of the ruling gradient
75% of the ruling gradient
60% of the ruling gradient
50% of the ruling gradient

17. Which one of the following linings is suitable for shield driven tunnels particularly in the subaqueous regions
cast iron lining
brick lime
stone lining
timber line

18. For highways, tunnelling is preferred to if the open cut exceeds
10 metres depth
15 metres depth
15 metres depth
20 metres depth

19. Which one of the following methods is generally adopted for tunneling in firm ground
drift method
top heading and benching method
full face method
all the above

20. An overhead track on a large truss frame is required in case of car changer by
the passing track method
California crossing method
Dixon conveyor method
the grass hopper method

21. Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
tunneling can be continuous and the work can be expedited
in this method, it is easy to install timber support
in case of excessive water, it is easy to take correct steps
it is suitable for construction in unstable rocks

22. Which of the following is not a component of the shield?
tail
hood
liner plate
propelling jacks

23. For mucking the method employed is
using conveyers
hauling on rails
hauling on pneumatic tyres
all of the above

24. Which one of the following is not a drilling pattern adopted in tunnelling?
cylinder cut
vertical wedge cut
fan cut
v-cut

25. Which one of the following is not a method of supporting roof and sides in multiple drift method of tunnelling?
Austrian method
Belgium method
Japanese method
German method

26. The tunnels, the artificial underground passages are constructed for
highways
railways
water supply project
All of the above

27. Which one of the following statements is not correct for heading and benching method of tunnelling?
removal of muck from the heading is very easy
drilling and mucking can be done simultaneously
benching provides a plateform for working on heading
None of these

28. To obtain the required shape of the tunnel section, we use
trimmers
cut holes
chisels
easers

29. For B.G. single track, the section of the tunnel must have a width
4.2 m to 4.5 m
4.5 m to 4.8 m
4.9 m to 5.5 m
5.5 m to 5.8 m

30. Forepoling method is generally adopted for tunneling in
firm ground
soft ground
running ground
none of these

31. Which one of the following methods of tunneling is used for long tunnels at great depths?
austrain method
army method
english method
needle beam method

32. The correct sequence of drilling equipment for increasing size of holes in tunnels is
churn drill, wagon drill, shot drill
shot drill, churn drill, wagon drill
wagon drill, shot frill, churn drill
wagon drill, churn drill, shot drill

33. Pack grouting with concrete is required between
steel lining and concrete lining
rock and concrete lining
both a and b
none of the above

34. The length of the first tunnel built in the world of Babylon in the year 2000 BC was
300 m
500 m
700 m
900 m

35. In tunnel, unless special provision is made for proper drainage, the gradient should not be more than
2%
5%
7%
10%

36. For full face method, the excavation to be done generally divided into
two sections
three sections
four sections
five sections

37. Concrete lining is provided concurrently with the driving operation in case of
soft rock
rock terrain
running soil
None of these

38. Which one of the following methods is adopted permanent drainage of tunnels
provision of longitudinal drains
grouting with cement or chemicals
concrete lining
All of the above

39. For B.G. single track railway, the height of the tunnel above top of rails should be
5.5 m to 5.8 m
5.8 m to 6.2 m
6.7 m to 7.3 m
7.3 m to 7.5 m

40. If ‘N’ is the number of shafts used, then the total number of faces available for attacking the excavation and construction in tunnels are
2 N
N + 2
2 N + 1
2 N + 2

41. The most suitable soil for compressed air tunneling is
clay
sand
sitt
gravel

42. A good blast with a good yield is obtained if the cut hole is
normal to face
inclined at 15° to the face
inclined at 30° to the face
inclined at 45° to the face

43. The method of lining in tunnel is
concrete lining
stone masonary lining
brick masonry lining
All of the above

44. In case of tunnels in hilly areas to align tunnel ends use
triangulation
direst ranging
reciprocal ranging
any one of the above

45. Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than
2 m
3 m
4 m
5 m

46. A tunnel is found more advantageous as compared to the alternate routes because it
avoids interference with surface rights
remains free from snow
reduces the maintenance cost
All the above

47. Railway tunnels, are generally
parabolic
circular
polycentric
rectangular

48. Which one of the following statements is not correct with regard to heading and hunching method of tunnelling.
Firing of head holes is done just before the bench holes are fired
The holes in head and bench are loaded together with explosive for blasting
After driving the top portion 3 m to 3.5 m holes are drilled into the head and bench
Driving the top portion is done in advance of the bottom portion

49. The most commonly adopted pattern of cut holes is
V-cut
fan cut
horizontal wedge cut
All of the above

50. In the wooden bulk head, used for mucking in steep grade tunnels.
no opening is provided
one opening is provided
two openings are provided
three openings are provided

51. Drift method of tunneling is used to construct tunnels in
self supporting grounds
broken grounds
soft grounds
rock

52. Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?
cast iron
cement concrete
timber
stone masonry

53. Drifters can be used to drill
horizontal or up holes
horizontal, down or up holes
only down holes
only up holes

54. In compressed air tunneling, the volume of free air provided is
6 m3 per minute per m2 of face area
6 m3 per second per m2 of face area
6 m3 per hour per m2 of face area
20 m3 per second per m2 of face area

55. Which one of the following tunneling methods is used for laying underground sewers?
Army method
German method
Italian method
Needle beam method

56. Which one of the following methods of tunneling does not require the use of time bearing.
compressed air method
linear plate method
mechanical tunneler i.e. mole method
All of the above

57. In case of drift method of tunnelling, the drift may be excavated at
the centre
the side
the bottom
All of the above

58. The length of the needle beam used in needle beam method of tunneling is usually
2m to 4 m
2.5 m to 6 m
4. 5 m to 6 m
6. 5 m to 6 m

59. Pick up the correct statement from the following during tunnel excavation
Oxygen should not be less than 19.5%
Carbon monoxide should not be more than 0.01%
Carbondioxide should not be more than 0.5%
All of the above

60. The method of draining in the tunnels, is generally known as
foredrainage
permanent drainage
dewatering
All of the above