19. The Principle of chain surveying is
(A) Work from Whole to Part (B) Triangulation
(C) Traversing (D) None of these
20. The system of lines or Triangles covering the area to be surveyed is
(A) Triangulation (B) Frame Work
(C) Traversing (D) All of the above
21. Ina well-conditioned triangle the angles are
(A) 20° or 120° (B) Greater than 30° and less than 120°
(C) Greater than 20° & less than 120° (D) None of these
22. The line joining some....
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