Computer · Plane Table Surveying
In plane table surveying, in which of the following cases is orientation by back sighting preferred?
- 1When speed is more important than accuracy
- 2When it is not possible to set the equipment at the station mark
- 3When the station through which the orientation is to be done is already plotted and available✓
- 4When approximate levelling is necessary
Correct answer
When the station through which the orientation is to be done is already plotted and available
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