(a) The back sight obtained at a station A is 2.85 m. The bench mark…
Previous year question for Essentials of Civil Engineering.
Question
(a) The back sight obtained at a station A is 2.85 m. The bench mark of the station A is 100 m. Calculate the height of instrument and also find the R.L of the next station B that lies after station A, if the fore sight of station B is 4.95 m.
(b) Explain the principal on which chain surveying is based.
- Year: 2022
- Subject: Essentials of Civil Engineering
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