A transit is set up at a distance back of the zero end of a level base line 240 m. long. The base line being marked by stakes at every 30 m. A rod is then held at successive stations along the base line. The stadia intervals at each location of the rod are tabulated below. It is required to determine the stadia interval factor of the instrument. DRAW A DIAGRAM

Q: a. b. C. What is the interior angle at C? e. What is the interior angle at A? What is the area of…

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Q: 1.932 1.930 1.920 1.910 1.900 With reference to the figure above, the leveling rod reading equals: O…

A: The levelling rod reading equals to  1.932

Q: Q#1: A profile levelling is carried out and consecutive readings were observed on staff rod along a…

A: Using the following formulae: RL+BS=HI HI-(IS/FS)=RL BS-IS=Rise/Fall Previous RL±Rise/Fall=Next RL

Q: 4. Using the following information, determine the elevation at Point B and Point C. Setup @ A Elev…

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Q: 27. Record the level rod readings to the nearest two decimal places. 1. 2. 3. 2. 3.

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Q: Determine: (a) The probable error of the mean in Taping Operation 1. (b) The probable error of the…

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Instruments for Surveying

Surveying is the practice that determines the relative three-dimensional positions of many different points on the earth’s surface. There are various instruments used in Surveying like Theodolites, Total station, Tripod stands, Plane table, etc. for measuring horizontal angle, vertical and sloping angle, which are very useful for giving accurate and precise measurement.