1. The following bearings were observed during a compass traversing. This area was affected by local attraction. Find the correct bearings of the lines and also the true bearings, if the magnetic declination is 10°W. Present the corrected value in tabular form after calculations. Line FB BB АВ 59°00' 239°00' 139°30 215°15 208°00 318°30 317°00 36°30 29°00 138°45 BC CD DE EA
1. The following bearings were observed during a compass traversing. This area was affected by local attraction. Find the correct bearings of the lines and also the true bearings, if the magnetic declination is 10°W. Present the corrected value in tabular form after calculations. Line FB BB АВ 59°00' 239°00' 139°30 215°15 208°00 318°30 317°00 36°30 29°00 138°45 BC CD DE EA
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2. The following data relates to a closed traverse. Compute the missing bearings of BC and CD.
| Line | Length (m) | Bearings |
|------|------------|--------------|
| AB | 725 | S 60°00'E |
| BC | 1050 | ? |
| CD | 1250 | ? |
| DE | 950 | S 55°30'W |
| EA | 575 | S 02°45'W |
This table represents a series of connected lines forming a closed traverse. The task is to determine the bearings for line segments BC and CD, using the given lengths and bearings for the other segments. This requires an understanding of surveying and navigation techniques to solve for the missing data.

Transcribed Image Text:**Compass Traversing and Bearings Correction**
During a compass traversing exercise, the following bearings were affected by local attraction. You are tasked with finding the corrected bearings of these lines and determining the true bearings, given a magnetic declination of 10°W. The corrected values should be presented in tabular form after calculations.
### Bearings Data:
- **Line AB**
- Forward Bearing (FB): 59°00'
- Backward Bearing (BB): 239°00'
- **Line BC**
- FB: 139°30'
- BB: 317°00'
- **Line CD**
- FB: 215°15'
- BB: 36°30'
- **Line DE**
- FB: 208°00'
- BB: 29°00'
- **Line EA**
- FB: 318°30'
- BB: 138°45'
This information will help in adjusting for local attraction and magnetic declination to ensure accurate navigation and mapping.
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