Civil Engineering MCQAE Level Civil Engineering
Face-left and face-right observations in theodolite work reduce errors due to:
SurveyingSurveyingHARD
Choose the correct answer
A
curvature of earth only
B
instrumental maladjustments such as collimation error
C
chain pull
D
atmospheric refraction only
Correct Answer
B. instrumental maladjustments such as collimation error
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Averaging both faces cancels or reduces several instrumental errors, including collimation and trunnion-axis errors.
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