Civil Engineering MCQAE Level Civil Engineering
In plane-table surveying, the most accurate method of orientation is generally:
SurveyingSurveyingHARD
Choose the correct answer
A
orientation by trough compass
B
orientation by plumbing fork only
C
orientation by eye estimation
D
orientation by back sighting
Correct Answer
D. orientation by back sighting
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Back sighting aligns the table with a previously plotted line and is more accurate than compass orientation.
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