MCQOPTIONS
Saved Bookmarks
| 1. |
In horizontal angles, the error due to imperfect levelling of the plate bubble is |
| A. | large when sights are nearly level |
| B. | large for long sights |
| C. | less for steeply inclined sights |
| D. | large for steeply inclined sights. |
| Answer» E. | |