When distances are small which of the following error is negligible? Options: A . &nbsperror due to defective joint B . &nbspatmospheric refraction C . &nbspwind vibrations D . &nbspearth’s curvature

When distances are small which of the following error is negligible?

Question

When distances are small which of the following error is negligible?

Options:

A . error due to defective joint

B . atmospheric refraction

C . wind vibrations

D . earth’s curvature

Answer: Option D
Answer: (d).earth’s curvature

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Question 1. Wind vibrations are natural errors.....

Question 2. The degree of precision does not depend upon the type of instrument.....

Question 3. Due to refraction, staff reading decreases.....

Question 4. For a given instrument and atmospheric conditions, the precision depends upon the number of setups.....

Question 5. Rise and fall method provides check in calculations for all sights.....

Question 6. Which of the following represents a form of Bench Mark (B.M)?....

Question 7. If the R.L of a B.M is 100m and back sight is 1.225m, find the H.I at the station?....

Question 8. If the staff at the station point is not held vertically, the R.L at the observation would be ______________....

Question 9. The combined correction for curvature and refraction can be given as _______....

Question 10. In the following figure, D = ______....

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