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Reciprocal levelling eliminate the effect of:
  1. Errors due to atmospheric refraction
  2. Errors due to earth’s curvature
  3. Errors in staff reading
  4. Errors due to collimation line
Which of these statements are correct?
  • a)
    1 and 2
  • b)
    2 and 4
  • c)
    1, 2 and 3
  • d)
    1, 2 and 4
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Reciprocal levelling eliminate the effect of: Errors due to atmospheri...
Curvature Instrumental errors Errors due to temperature and pressure variations
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Community Answer
Reciprocal levelling eliminate the effect of: Errors due to atmospheri...
Reciprocal levelling is adopted to accurately determine the level difference between two points which are separated by obstacles like a river, ponds, lakes, etc.
It eliminates the following errors:
  • error in instrument adjustments i.e error due to collimation
  • the combined effect of Earth's curvature and the refraction of the atmosphere
  • variation in the average refraction
Important Points
  • Reciprocal levelling eliminates the error due to collimation and error due to curvature of Earth completely, but as the refraction depends upon the atmosphere which may change every minute;
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Reciprocal levelling eliminate the effect of: Errors due to atmospheric refraction Errors due to earth’s curvature Errors in staff reading Errors due to collimation lineWhich of these statements are correct?a)1 and 2b)2 and 4c)1, 2 and 3d)1, 2 and 4Correct answer is option 'D'. Can you explain this answer?
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Reciprocal levelling eliminate the effect of: Errors due to atmospheric refraction Errors due to earth’s curvature Errors in staff reading Errors due to collimation lineWhich of these statements are correct?a)1 and 2b)2 and 4c)1, 2 and 3d)1, 2 and 4Correct answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Reciprocal levelling eliminate the effect of: Errors due to atmospheric refraction Errors due to earth’s curvature Errors in staff reading Errors due to collimation lineWhich of these statements are correct?a)1 and 2b)2 and 4c)1, 2 and 3d)1, 2 and 4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Reciprocal levelling eliminate the effect of: Errors due to atmospheric refraction Errors due to earth’s curvature Errors in staff reading Errors due to collimation lineWhich of these statements are correct?a)1 and 2b)2 and 4c)1, 2 and 3d)1, 2 and 4Correct answer is option 'D'. Can you explain this answer?.
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