Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 10)

Surveying

10.

Pick up the correct statement from the following :

A level surface is perpendicular at all points to the direction of gravity

A level line lies in level surface

A horizontal surface is normal to the direction of gravity at only one point

A horizontal line is tangential to the level surface

All the above.

Answer: Option

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