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Determine a. Magnetic declination in 1998 b. Magnetic bearing in 1998 c. True bearing in 1978 d. True bearing in 1998

Determine a. Magnetic declination in 1998 b. Magnetic bearing in 1998 c. True bearing in 1978 d. True bearing in 1998

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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7. In 1978 the magnetic bearing of a line OA was N15°45'W, the magnetic declination at that time is 1°15'E. The secular variation per year is 3'E. Determine the following: a. Magnetic declination in 1998 b. Magnetic bearing in 1998 c. True bearing in 1978 d. True bearing in 1998
Transcribed Image Text:7. In 1978 the magnetic bearing of a line OA was N15°45'W, the magnetic declination at that time is 1°15'E. The secular variation per year is 3'E. Determine the following: a. Magnetic declination in 1998 b. Magnetic bearing in 1998 c. True bearing in 1978 d. True bearing in 1998
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