Computer · Surveying

Which of the following statements is INCORRECT regarding survey errors in Total Station / Theodolite instruments?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Horizontal collimation error is automatically eliminated after checking the height of standards alone.✓
2Horizontal collimation error and height of standards error can magnify each other.
3Circle graduation error can be minimized by photo-etching the graduations onto a glass circle.
4Height of collimation error exists when the optical axis of the theodolite is not perpendicular to the trunnion axis.

Correct answer

Horizontal collimation error is automatically eliminated after checking the height of standards alone.

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