A compound curve is composed of 3 and 5 degree curves with I1 = 22 degree and I2=30 degree, respectively. 1. Determine the length of the common tangent.  a. 182.31 m b. 158.76 m c. 135.66 m d. 274.20 m 2. Determine the length of the compound curve.  a. 291.15 m b. 214.20 m c. 234.80 m d. 266.67 m 3. If PI is at Sta 20+140.53, what is the station on PT?  a. Sta 20 + 263.63

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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.