Computer · Surveying
While taking measurements using a theodolite, the following sources of error are considered: 1. Error due to inaccurate centering 2. Error due to inaccurate leveling 3. Error due to imperfect graduations 4. Error due to improper use of tangent screws Which of the above is/are NOT personal error(s)?
- 13 and 4 only
- 21 and 2 only
- 31 and 4 only
- 43 only✓
Correct answer
3 only
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