Which of the following statements related to Tacheometric survey is correct?
1. Reduction diagrams are used for measuring corrections for horizontal and vertical distances directly.
2. Tacheometric tables are prepared for 1 m staff intercept when staff is held vertically and constants are 100 and 0.
1
Statement 2 is correct
2
Neither of the statements is correct
3
Statement 1 is correct
4
Both statements are correct