Computer · Theodolite Surveying
For a Theodolite instrument, certain permanent adjustments are done from time to time to avoid erroneous observations. Which of the following statements is INCORRECT with respect to these adjustments?
- 1The axis of the plate level must be perpendicular to the vertical axis
- 2The line of collimation must be at right angles to the horizontal axis
- 3The axis of telescope level must be parallel to the line of collimation
- 4The horizontal axis must be parallel to the vertical axis✓
Correct answer
The horizontal axis must be parallel to the vertical axis
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