Code: 20A3301
II B. Tech I Semester (R20) Regular Examinations Nov-Dec 2021
SURVEYING AND GEOMATICS
(Civil Engineering)
Time: 3 Hours
Max. Marks: 70
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Note: 1. Question paper consists: Part-A and Part-B.
2. In Part-A, answer all questions.
3. In Part-B, answer any one question from each unit.
4. Each question carries equal marks.
PART-A (10 * 2 = 20 Marks)
- Define surveying and classify it.
- Differentiate between a true meridian and a magnetic meridian.
- What is meant by local attraction?
- Explain the terms: (i) back sight (ii) foresight
- Define contour and contour interval.
- List out the uses of contour maps.
- What is meant by GPS? List the applications of GPS.
- What are the advantages of total station?
- Define GIS and list its components.
- What is the application of remote sensing in civil engineering?
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PART-B (5 * 10 = 50 Marks)
UNIT-I
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- a) Explain the principles of surveying.
(OR)
b) Explain the different types of chains and tapes used in surveying.
UNIT-II
- a) The following bearings were observed with a compass:
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Line Fore Bearing Back Bearing
AB 74°30' 256°00'
BC 107°15' 286°45'
CD 224°30' 44°30'
DE 306°45' 126°45'--- Content provided by FirstRanker.com ---
EA 18°00' 198°00'
Calculate the interior angles of the traverse.
(OR)
b) Describe the methods of computation of area.
UNIT-III
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- a) Explain the different methods of leveling.
(OR)
b) The following consecutive readings were taken with a level along a line: 1.785, 2.345, 0.985, 3.450, 2.875, 1.675, 0.565 and 3.985. The instrument was shifted after fourth and seventh readings. Calculate the reduced levels of the points, if the first reading was taken with a benchmark of 100.000 m.
UNIT-IV
- a) Explain about different segments of GPS.
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(OR)
b) Explain the different methods of distance and angle measurement using total station.
UNIT-V
- a) Explain the components of GIS and its applications.
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b) What are the different applications of remote sensing in civil engineering?
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