The observed magnetic bearings (forward and back) of a closed traverse are as follows: AB, Fwd = N 55°30' E, Back = S 55°45' W; BC, Fwd = S 58°40' E, Back = N 58*30' W; CD, Fwd = S 14°30' E, Back = N 14° 00' W; DE, Fwd = S77°10' W, Back = N 77°10' E; and EA, Fwd = N 40°20' W, Back = S 40°15' E. 1. Find the error in the interior angles (misclosure of the traverse). A. 0°12' B. 2°30' C.1°00' D. 1°12' E. 0°45 2. Determine the most probable interior angle at Station C. A. 136°00' B. 137°00' C. 136°48 D. 135°48 E. 136°12' 3. Find the most probable forward bearing of line CD. A. S 14°12' E B. S 14°30' E C.N 14°00' W D. S 14°00' E E. N 14°12' W
The observed magnetic bearings (forward and back) of a closed traverse are as follows: AB, Fwd = N 55°30' E, Back = S 55°45' W; BC, Fwd = S 58°40' E, Back = N 58*30' W; CD, Fwd = S 14°30' E, Back = N 14° 00' W; DE, Fwd = S77°10' W, Back = N 77°10' E; and EA, Fwd = N 40°20' W, Back = S 40°15' E. 1. Find the error in the interior angles (misclosure of the traverse). A. 0°12' B. 2°30' C.1°00' D. 1°12' E. 0°45 2. Determine the most probable interior angle at Station C. A. 136°00' B. 137°00' C. 136°48 D. 135°48 E. 136°12' 3. Find the most probable forward bearing of line CD. A. S 14°12' E B. S 14°30' E C.N 14°00' W D. S 14°00' E E. N 14°12' W
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The observed magnetic bearings (forward and back) of a closed traverse are as follows: AB, Fwd = N 55°30' E, Back = S 55°45' W; BC,
Fwd = S 58°40' E, Back = N 58°30' W; CD, Fwd = S 14°30' E, Back = N 14° 00' W; DE, Fwd = S77°10' W, Back = N 77°10' E; and EA, Fwd
= N 40°20' W, Back = S 40°15' E.
1.
Find the error in the interior angles (misclosure of the traverse).
A. 0°12'
В. 2°30°
C.1°00'
D. 1°12'
E. 0°45'
2.
Determine the most probable interior angle at Station C.
A. 136°00'
B. 137°00'
C. 136°48'
D. 135°48'
E. 136°12'
3.
Find the most probable forward bearing of line CD.
A. S 14°12' E
B. S 14°30' E
C.N 14°00' W
D. S 14°00' E
E. N 14°12' W
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