Computer · Surveying
Which of the following errors cannot be eliminated by taking both face (face left and face right) observations in a transit theodolite?
- 1Error due to horizontal axis not being perpendicular to the vertical axis
- 2Index error of the vertical circle
- 3Error due to non-parallelism of the axis of telescope level and line of collimation
- 4Error due to graduation eccentricity✓
Correct answer
Error due to graduation eccentricity
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