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UPSC Civil Service Exam Questions - Engineering

Q1:

The ture bearing of a line is 34° 20' 40"and the magnetic declination at the place of observation is 2° 00' 20" W on the date of observation. The magnetic bearing of the line is

A 36° 21' 00"

B 34° 20' 20"

C 32° 20' 20"

D 32° 00' 20"

ANS:A - 36° 21' 00"

True Bearing = Magnetic Bearing - Magnetic Declination (West).

=> Magnetic Bearing= True Bearing + Magnetic Declination = 34°20'40" + 2°00'20" = 36°21'00"

So, Option A is correct.