Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 3 (Q.No. 7)
7.
In reciprocal levelling, the error which is not completely eliminated, is due to
Discussion:
27 comments Page 3 of 3.
Anupam said:
8 years ago
In reciprocal levelling collimation, error and error due to curvature are completely eliminated.
The elimination of the error due to refraction depends upon the change in climatic condition during the transfer of the instrument.
The elimination of the error due to refraction depends upon the change in climatic condition during the transfer of the instrument.
Ganesh Sakunde said:
8 years ago
Yes, D is the right answer.
Apcivilian said:
9 years ago
Yes, d is the answer. I agree.
SPS said:
9 years ago
D is the right answer because reciprocal levelling eliminates all types of errors when the bubble is in the center. If the bubble is disturbed the error cannot be eliminated. Thanks.
Garry said:
9 years ago
I think the answer is d.
Ogundele dare said:
9 years ago
Reciprocal leveling is the leveling between two widely separated points in which observations are made in both directions to eliminate the effects of atmospheric refraction and the curvature of the earth.
D.c. said:
9 years ago
The right answer is parallax. But it is not in options.
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