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UPSC Civil Service Exam Questions

Q1: Consider the following assumptions of Bowditch method :
1. Angular measurements are more precise than linear measurements.
2. Linear measurements are more prescise than angular measurements.
3. Erros in linear measurements are proportional to L.
4. Correction to latitude or departure of any side = Total error in L (or D) x Length of that side / Perimeter of traverse.
Which of these statements are correct ?

A 1 and 4

B 1, 2 and 3

C 2, 3 and 4

D 3 and 4

ANS:A - 1 and 4

Yes. D is correct as in Bowditch rule linear and angular measurements both are precise. So 1& 2 are not applicable.



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