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JNTU B.Tech IV REMOTE SENSING AND GIS Previous Question Paper (July - 2023 - R16)

B.Tech | IV | IV-II | R16 | July - 2023

Answer PaperPaper Code: 138GVMaximum Marks: 75Time: 3 Hours

Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks.

PART A

Answer all questions.

25 marks

Define photogrammetry.

2 marks

Answer

Photogrammetry is the science and technology of obtaining reliable measurements and three-dimensional coordinates of objects from photographic images or electromagnetic radiation sensors.

Explain the concept of stereoscopy.

3 marks

Answer

Stereoscopy is the technique of viewing two overlapping photographs of the same area, taken from slightly different positions, to create a three-dimensional visual effect. By presenting a separate image to each eye, the human brain perceives depth and relief, allowing for the measurement of terrain elevation and object height.

Define remote sensing.

2 marks

Answer

Define satellite and sensor.

3 marks

Answer

Define GIS.

2 marks

Answer

Define datum.

3 marks

Answer

Define raster.

2 marks

Answer

Define topology.

3 marks

Answer

What is metadata and its uses?

2 marks

Answer

What is data editing?

3 marks

Answer

PART B

210 marks

Draw the geometry of vertical aerial photograph and explain salient features.

5 marks

Answer

How the height is measured based on relief displacement?

5 marks

Answer

310 marks

Explain principles of photogrammetry.

5 marks

Answer

List and explain various types of aerial photographs.

5 marks

Answer

410 marks

Write down advantages and disadvantages of remote sensing.

5 marks

Answer

Draw electromagnetic spectrum along with various band widths and its applications.

5 marks

Answer

Explain the following: a) Spatial resolution b) Spectral resolution c) Radiometric resolution d) Temporal resolution.

10 marks

Answer

610 marks

Compare spatial and non-spatial data.

5 marks

Answer

List and explain any three GIS operations.

5 marks

Answer

710 marks

List and explain components of GIS.

5 marks

Answer

What is DBMS and what are its uses in GIS? Discuss.

5 marks

Answer

810 marks

Write down topology rules and its importance.

5 marks

Answer

Compare raster data with vector data.

5 marks

Answer

Explain the following raster data models: a) Cell-by-cell raster encoding b) Run-length raster encoding c) Quad-tree raster encoding.

10 marks

Answer

1010 marks

Write down the importance of source map.

5 marks

Answer

Explain digitising and scanning.

5 marks

Answer

Explain step by step procedure for the integration of raster data with vector data.

10 marks

JNTU B.Tech IV REMOTE SENSING AND GIS Previous Question Paper (July - 2023 - R16)

PART A

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PART B

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