Elementary Surveying: An Introduction To Geomatics (15th Edition)
15th Edition
ISBN: 9780134604657
Author: Charles D. Ghilani
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 7.30P
For Problems 7.30 through 7.32 the observed magnetic bearing of line AB and its true magnetic hearing are given. Compute the amount and direction of local attraction at point A.
Observed Magnetic Bearing True Magnetic Bearing
7.30‘ N32°30 'E N30” 15 'E
7.31 814°30'VV 314915 'VV
7.32 N9°30 "N N8°20 'E
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Students have asked these similar questions
4. Determine the magnitude and sense of the moment of the
800-N force about point A.
a. 123.0 N-m CCW
c. 132.0 N-m CCW
b. 132.0 N-m CW
d. 123.0 N-m CW
800 N
38°
0.6 m
A
0.5 m
The following are the observed magnetic bearings of a closed compass
traverse:
LINE
FORWARD
BACKWARD
BEARING
BEARING
AB
S 39°40' E
N 38°55' W
S 84°45' W
S 73°35' E
N 14°15' E
S 65°50' E
N 85°25' E
CD
N 73°15' W
S 14°45' W
N 65°30' W
S 29°35' W
EF
N 29°35' E
Adjust the observed directions of each line and tabulate values
accordingly. Sketch the observed and adjusted closed compass
traverse.
The force and couple system shown is equivalent to a force and a couple. Compute for the values of F and theta if the resultant force is equal to 5kN directed 30° N of W. At what point would the resultant force intersect line CD if the resultant couple moment is equal to 150kN-m clockwise?
Chapter 7 Solutions
Elementary Surveying: An Introduction To Geomatics (15th Edition)
Ch. 7 - Define the different reference meridians that can...Ch. 7 - Prob. 7.2PCh. 7 - Why is it important to adopt a standard angle...Ch. 7 - Prob. 7.4PCh. 7 - Prob. 7.5PCh. 7 - In Problems 7.6 through 7.? I9, convert the...Ch. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Prob. 7.10P
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - For a bearing DE = NUS 5 53’56 ”WT and angles to...Ch. 7 - ?.14 Similar to Problem ?.13 El, except the...Ch. 7 - Prob. 7.15PCh. 7 - Course AB of a ?ve-sided traverse runs due north....Ch. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - For Problems 7.30 through 7.32 the observed...Ch. 7 - Prob. 7.31PCh. 7 - Prob. 7.32PCh. 7 - Prob. 7.33PCh. 7 - Prob. 7.34PCh. 7 - Prob. 7.35PCh. 7 - Prob. 7.36PCh. 7 - Prob. 7.37PCh. 7 - Prob. 7.38P
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