WebTo measure the horizontal angle AOB by repetition: (i) Set up the theodolite at station -point O and level it accurately. (The face of the instrument should be left.) (ii) Set the vernier A to zero or 360° by using the upper clamp and its tangent screw. Then loosen the lower clamp, direct the telescope to the left hand object A, and bisect A ... WebSep 9, 2024 · Face right is when the vertical circle of an instrument is in the right side of the observer and face left is when vertical circle of an instrument is in left side of the …
What do you mean by face left and face right observations?
WebJan 21, 2024 · FACE LEFT : It means that the vertical circle of theodolite is on the left of the observer at the time of taking reading. FACE RIGHT : This refers to the situation when the vertical circle of the instrument is on the … WebAug 30, 2024 · Left face ! Right face ! Face change ! Theodolite lecture ! Survey lecture NARAYANA COACHING CLASSES 112K subscribers 25K views 3 years ago THEODOLITE Fundamental … cycling ocp
What do you mean by face left and face right observations?
WebAug 10, 2024 · Surveying - Module I - Introduction to surveying ... The mean of the two values of the angle AOB ,one with face left and the other with face right ,gives the required angle free from all instrumental errors. o A B HORIZONTAL ANGLE AOB 5. MEASUREMENT OF HORIZONTAL ANGLES: ii) Repetition Method. This method is … WebDec 15, 2024 · Definition of left face : the act of turning 90 degrees to the left from the halted position of attention as a military maneuver —often used as a command — … WebMethods of Traversing. There are several methods of traversing, depending on the instruments used in determining the relative directions of the traverse lines. The following are the principal methods: Chain traversing. Chain and compass traversing. Transit type traversing a)By fast needle method b)By measurement of angles between the lines. cycling oceanias