Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C are the stations where staff readings were obtained with a level set up at E and D. The observed readings are given in Table. 20 m Staff reading at level location B C E 1.85 0.803 D 2.42 1.361 1.659 If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of sight (5) is + 0.1146 degree. 1. calculate the correct elevations of B and C 2. if the height of instrument at E 1m, and at D= 1m, what is the height difference between D and E
Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C are the stations where staff readings were obtained with a level set up at E and D. The observed readings are given in Table. 20 m Staff reading at level location B C E 1.85 0.803 D 2.42 1.361 1.659 If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of sight (5) is + 0.1146 degree. 1. calculate the correct elevations of B and C 2. if the height of instrument at E 1m, and at D= 1m, what is the height difference between D and E
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![A-15 m-
33 m
Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C
are the stations where staff readings were obtained with a level set up at
E and D. The observed readings are given in Table.
20 m
Staff reading at
level location
A
B
C
1.85
0.803
D
2.42
1.361
1.659
48 m
If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of
sight (5) is + 0.1146 degree.
Level
1. calculate the correct elevations
B and C
2. if the height of instrument at E = 1m, and at D= 1m, what is the height
difference between D and E](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb4488cea-30bd-456c-ad2c-a73c9f2bd316%2Ff2ae973d-dbbd-404c-b363-4adaac637836%2Fcfkb8s2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A-15 m-
33 m
Q2) The figure to the right shows a rectangle ABCD, in which A, B, and C
are the stations where staff readings were obtained with a level set up at
E and D. The observed readings are given in Table.
20 m
Staff reading at
level location
A
B
C
1.85
0.803
D
2.42
1.361
1.659
48 m
If A is a benchmark having elevation of 70 m. Note: the deflection angle in Line of
sight (5) is + 0.1146 degree.
Level
1. calculate the correct elevations
B and C
2. if the height of instrument at E = 1m, and at D= 1m, what is the height
difference between D and E
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