The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tacheometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts are 1 m (top), 2m (middle), and 3m (bottom). The horizontal distance (m) between the staff and the instrument station is
The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tacheometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collimation perfectly horizontal, the staff intercepts are 1 m (top), 2m (middle), and 3m (bottom). The horizontal distance (m) between the staff and the instrument station is
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The focal length of the object glass of a tacheometer is 200 mm, the distance
between the vertical axis of the tacheometer and the optical centre of the object
glass is 100 mm and the spacing between the upper and lower line of the
diaphragm axis is 4 mm. With the line of collimation perfectly horizontal, the staff
intercepts are 1 m (top), 2m (middle), and 3m (bottom). The horizontal distance (m)
between the staff and the instrument station is
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