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
Discussion:
22 comments Page 1 of 3.
Manoj said:
1 decade ago
The magnetic declination W is always -ve so just subtract 32 Degree -10degree 15 minute= 21 degree 45 minute.
Amol said:
10 years ago
60 - 15 = 45 degree.
31 - 10 = 21 degree.
Total = 21 degree 45 minute.
31 - 10 = 21 degree.
Total = 21 degree 45 minute.
(1)
Amit said:
9 years ago
@Anmol.
60-15 = 45 minutes? Explain it.
60-15 = 45 minutes? Explain it.
Sanjay said:
9 years ago
Answer should be B.
True bearing=magnetic bearing+magnetic declination.
True bearing=magnetic bearing+magnetic declination.
Sushil hooda said:
8 years ago
So, the Answer should be A.
T.B = M.B+magnetic declination.
T.B = 32'-10'15'.
T.B = 21'45'.
T.B = M.B+magnetic declination.
T.B = 32'-10'15'.
T.B = 21'45'.
Pooja said:
8 years ago
Answer should be B.
Angel said:
8 years ago
The Answer is A) declination is westward ie, negative.
Amit said:
8 years ago
TB = MB + MD if declination is eastward.
TB = MB + MD if declination is westward.
TB = MB + MD if declination is westward.
Mit said:
8 years ago
@Amit.
TB = MB - MD if declination is westward.
TB = MB - MD if declination is westward.
Kaweri said:
8 years ago
Magnetic bearing toward West is -ve so just subtract.
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