Civil Engineering - Tunnelling - Discussion

Discussion Forum : Tunnelling - Section 1 (Q.No. 21)

Tunnelling

21.

Which one of the following statements is not correct in respect of setting of an inclined tunnel:

Reference points are constructed at every 300 m.

The alignment is fixed from upper/lower apex point.

The level of the invert at the heading is marked by a tape.

Reference points are constructed on the roof of tunnels

None the above.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

1 comments Page 1 of 1.

Atharva kale said: 5 years ago

Reference points are constructed at every 500 m.

So, option A is incorrect.

Post your comments here:

Quick links

Quantitative Aptitude

Verbal (English)

Reasoning

Programming

Interview

Placement Papers