Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 25 (Q.No. 29)
29.
Which one of the following pairs is not correctly matched ?
Declination : Horizontal angle between magnetic meridian & true meridian
Bowditch's rule : Employed to adjust closing error of a closed traverse
Deflection angle : Measured in case of open traverse instead of measuring included angle
Reconnaissance survey : Employed for detailed and precise survey
Answer: Option
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