| Q.13 | The following statements given pertain to theodolite used in surveying. Identify the incorrect statement | |
| Ans | 1. The line of sight should be parallel to the horizontal axis. | |
| 2. The horizontal axis should be perpendicular to the vertical axis (standards adjustment). | ||
| 3. The axis of the plate bubble should be in a plane perpendicular to the vertical axis | ||
| 4. The vertical cross hair should be perpendicular to the horizontal axis (tilting axis). |
Correct Ans: 1
