Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 6 (Q.No. 30)
30.
The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is
21° 45'
42° 15'
42° 15' W
21° 45' W
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
22 comments Page 3 of 3.

Amol said:   10 years ago
60 - 15 = 45 degree.

31 - 10 = 21 degree.

Total = 21 degree 45 minute.
(1)

Manoj said:   1 decade ago
The magnetic declination W is always -ve so just subtract 32 Degree -10degree 15 minute= 21 degree 45 minute.


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