Advanced Surveying — Summer 2019

Explain the procedure for finding the multiplying constant and additive constant in tacheometric surveying.

The following observations were made using a tachometer fitted with an analytic lens, the multiplying constant being 100. Calculate the distance AB and RL of Aand B. Find the gradient of the line AB. Inst. H.I. Staff W.C.B. Vertical Staff reading remarks Station station angle O 1.550 A 30°30’ 4°30’ 1.155 , 1.755, R.L. of O 2.355 = 200.00 m B 75°30’ 10°15’ 1.250 , 2.000 , 2.750

What is base line? How it is selected? Describe any one procedure of its extension.

Describe Principal of Triangulation and show schematically different sets / orders of triangulation Figures.

Write short note on Total Station. State its applications in the field of civil engineering.

What is the weight of a quantity? Discuss various laws of weights.

Determine the most probable value of the angles of triangles ABC, given by the following data. Angle weight A = 62° 14’ 12” 1 B = 48° 12’ 14” C = 69° 33’ 28”

Define the following terms : 1- Longitude , 2- Celestial sphere, 3- Vertical circle, 4 - Visible horizon , 5 – Zenith, 6- Celestial equator, 7 - Nadir

What are the various uses of aerial camera? Describe with neat sketch its essential parts.

Write short note on Geospatial analysis.

Two points Aand Bwhich appear in a vertical photograph taken from a camera having focal length of 220 mm and from an altitude of 2800 m, have their elevations as 500 m and 700 m respectively. Their corrected photo co-ordinates are as under Point Photo co-ordinate x , mm y, mm a +23.8 +16.4 b -13.6 -29.7 Determine the length of the ground line AB.

What do you mean by GPS? Give an overview of GPS. Describe briefly the uses and applications of GPS.

Write the applications of GIS in civil engineering field.

Write the basic principle of remote sensing? Discuss the components of remote sensing in brief.

Define GIS. Discuss the key components of GIS with figure.

Explain with sketch electromagnetic wave & spectrum.

Explain integration of remote sensing and GIS.