Computer · Surveying
Which of the following is NOT a correct permanent adjustment of a sextant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To make the horizon mirror parallel to the index mirror when the vernier is set at zero
- 2To make the line of sight perpendicular to the plane of the graduated arc✓
- 3To make the horizon glass perpendicular to the plane of the graduated arc
- 4To make the index glass perpendicular to the plane of the graduated arc
Correct answer
To make the line of sight perpendicular to the plane of the graduated arc
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