Civil Engineering MCQJE Level Civil Engineering
Reciprocal levelling across a river or valley is adopted mainly to minimize errors due to:
SurveyingReciprocal LevellingMEDIUM
Choose the correct answer
A
Collimation, curvature and refraction
B
Incorrect chain pull only
C
Compass local attraction only
D
Wrong contour interval only
Correct Answer
A. Collimation, curvature and refraction
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Reciprocal observations from both sides reduce combined collimation, curvature and refraction effects.
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This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.