MCQOPTIONS
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| 1. |
A theodolite is said to be in perfect adjustment if |
| A. | rotation axis is vertical to the transit axis |
| B. | transit axis is perpendicular to line of collimation |
| C. | line of collimation sweeps out a vertical plane while the telescope is elevated or depressed |
| D. | all the above. |
| Answer» E. | |