Engineering - Surveying - Discussion

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Q.

Which of the following statements is in-correct ?                         
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.

Answer: Option D
Explaination:

 


No Explanation




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