Correct Answer:
Option D - Conditions to be fulfilled by survey stations or survey line–
• Survey stations must be mutually visible.
• The survey line should be taken though fairly level ground.
• The stations should be selected in such a way that well-conditioned triangles may be formed.
• The framework must have one or two base lines.
• The longest of the main survey lines is considered the base line.
• The lines must run through level ground as possible.
D. Conditions to be fulfilled by survey stations or survey line–
• Survey stations must be mutually visible.
• The survey line should be taken though fairly level ground.
• The stations should be selected in such a way that well-conditioned triangles may be formed.
• The framework must have one or two base lines.
• The longest of the main survey lines is considered the base line.
• The lines must run through level ground as possible.