A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is
1.2.900 m
2. 3.030 m
3.0.770 m
4. 0.785 m
Posted Date:-2021-03-26 07:54:39