For the following questions answer them individually
- If h is the difference in height between end points of a chain of length l the required slope correction is _____
For taking offsets with an optical square on the right hand side of the chain line it is held _____
In an adjusted level when the bubble is central, the axis of the bubble tube becomes parallel to _____
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 center 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