Computer · Levelling
Consider the following statements regarding reciprocal levelling: Reciprocal levelling eliminates the effect of: I. Errors due to earth's curvature II. Errors due to atmospheric refraction III. Mistakes in taking levelling staff readings IV. Error due to the line of collimation not being parallel to the bubble tube axis Which of these statements are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I, II and IV✓
- 2II, III and IV
- 3I, III and IV
- 4I, II and III
Correct answer
I, II and IV
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