ExamAdept

Which one of the following methods of tunnelling does not require the use of time bearing :

A:

Linear plate method

B:

Shield method

C:

Compressed air method

D:

Mechanical tunneler i.e. mole method

Answer: E

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Pick up the mechanical ventilation method used for tunnels from the following:

A:

blowing fresh air by ducts to the face of tunnel

B:

exhausting foul air by ducts from the face of the tunnel and permitting fresh air through the tunnel

C:

blowing fresh air and exhausting foul air by ducts

D:

all the above.

Answer: D

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The following operations are generally employed for tunnelling in hard rock.
1. Removing ground water,
2. Loading holes and firing the explosive
3. Setting up and drilling
4. Grouting and lining
5. Removing muck
6. Ventilation and removing explosion dust
The correct sequence is :

A:

3 2 6 5 1 4

B:

3 4 6 1 5 2

C:

4 1 2 3 6 5

D:

5 4 2 1 3 6

Answer: A

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The following tunnels were constructed in different countries for different purposes :
1. Emperor Claudius built the first Roman tunnel
2. The first highway tunnel was constructed in Hungary
3. The first underground railway tunnel was constructed in Great Britain
4. The first navigational tunnel was constructed in France.
The correct chronological development of these tunnels is:

A:

4 1 3 2

B:

1 4 2 3

C:

2 3 1 4

D:

3 2 4 1

Answer: B

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In case of railways,

A:

a detour round the hill is preferred

B:

a open cut is preferred

C:

tunnelling is preferred

D:

All the above.

Answer: C

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Questions for: Tunnelling