MCQOPTIONS
Saved Bookmarks
| 1. |
To avoid large centering error with very short legs, observations are generally made |
| A. | to chain pins |
| B. | by using optical system for centering the theodolite |
| C. | to a target fixed on theodolite tripod on which theodolite may be fitted easily |
| D. | all the above. |
| Answer» D. all the above. | |