Examveda
Examveda

Refraction correction

A. completely eliminates curvature correction

B. partially eliminates curvature correction

C. adds to the curvature correction

D. has no effect on curvature correction

Answer: Option B

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Related Questions on Surveying

Which of the following statements is incorrect ?

A. Error due to refraction may not be completely eliminated by reciprocal levelling.

B. Tilting levels are commonly used for precision work.

C. The last reading of levelling is always a foresight.

D. All of the above statements are incorrect.