MCQOPTIONS
Saved Bookmarks
| 1. |
The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to |
| A. | the distance between the zero of gradient and the foot of the staff |
| B. | twice the distance between the zero of graduation and the foot of the staff |
| C. | twice the distance between the zero of graduation and the foot of the staff |
| D. | none of the above. |
| Answer» C. twice the distance between the zero of graduation and the foot of the staff | |