A. TACHEOMETRY 1. 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. Distance Stadia Distance Stadia Intercept Intercept 30 0.297 150 1.482 60 0.591 180 1.776 90 0.885 210 2.073 120 1.188 240 2.367

Q: BS 5.36 FS 1.62 BS 8.11 FS 1.54 BS 7.32 FS 0.86 BM2 TP: TP, BM, Elevation 83.23

A: Given data in question  FS BS R.L of B.M1 To find out  Plot the data

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Q: Line AP The following observations were taken from stations P and Q. Length (m) Bearings N 60° 30' E…

A:

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A: Given: Station BS HI FS Elevation J A 319.83   315.76 TP1 5.18 322.87 2.14 B TP2 2.91…

British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.