Theodolite is an instrument used for_________________?
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________?
Sensitiveness of a level tube is designated by______________?
Dumpy level is most suitable when______________?
Contour interval is_______________?
The suitable contour interval for a map with scale 1 : 10000 is______________?
If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________?
The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be_______________?
With the rise of temperature, the sensitivity of a bubble tube______________?
The difference between a level line and a horizontal line is that_______________?
