Which one of the following methods of levelling eliminates the error due to curvature and refraction?

Questions › Category: Civil Engineering › Which one of the following methods of levelling eliminates the error due to curvature and refraction?
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VideRime Staff asked 3 years ago
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Which one of the following methods of levelling eliminates the error due to curvature and refraction?

a) Fly levelling

b) Levelling by equalizing the distances of back sight and fore sight

c) Check levelling

d) Precise levelling

Surveying MCQs Set-2

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