The accuracy of measurement in chain surveying does not depend upon:
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When 1cm on a map represents 10m on the ground, the representative fraction of the scale is
The following bearing were observed while traversing with a compass, which stations are affected by local attraction ?
A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is
The sum of the interior angles of a closed traverse is equal to :
The instrument used for accurate centering in plane table surveying is :
The correction in elevations due to the curvature and refraction is proportional to :
Where R is the radius of curvature of Earth and D is the horizontal distance.
Intersection method in plane table surveying is N most suitable for :
Mean Sea level (MSL) adopted by survey of India for reference is located at ?
For which of the following permanent adjustments of theodolite, the spire test is used ?
As applied to staff readings, the corrections for curvature and refraction are respectively
2 videos|122 docs|55 tests
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2 videos|122 docs|55 tests
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