JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III GEOINFORMATICS Previous Question Paper (March - 2024 - R16)
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 and may have a, b as sub questions.
Part A
Define stereoscopy.
Answer
Stereoscopy is the technique of viewing two overlapping aerial photographs of the same area, taken from slightly different positions, through a stereoscope to perceive a three-dimensional model of the terrain.
Define the term datum scale of a photograph.
Answer
The datum scale of a photograph is the ratio of the focal length of the camera lens to the flying height of the aircraft above the mean sea level (datum). It is expressed as
What are sun-synchronous satellites?
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Mention any two satellite data products.
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What is meant by Image histogram?
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Compare land use and land cover.
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What is thematic map?
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Define UTM.
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Explain user segment in GPS.
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What is coordinate system in GPS?
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Part B
Discuss the various Characteristics of photographic images.
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Write notes on the following: i) Stereoscopic vision ii) Mirror stereoscope iii) Parallax bar.
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What is tilt distortion? Prove that, in a tilted photograph, tilt distortion is radial from the isocentre.
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A line PQ 2100 m long, lying at an elevation of 400 m measures 10.08 cm on a vertical photograph, if the focal length of the lens is 24 cm determine the scale of the photograph in an area, the average elevation which is 600 m.
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What are the uses of weather satellite?
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What is False colour composite. What are its significance?
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Explain the orbital and sensor characteristics of Indian remote sensing Satellites.
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Distinguish between satellite remote sensing and microwave remote sensing.
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Write in detail about supervised and unsupervised classification of remote sensed data.
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Discuss briefly the applications of remote sensing.
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Write a note on image enhancement techniques.
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Define GIS and write the components of GIS.
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What is data model? Explain the different types of Data models.
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Compare the contrast raster and vector data representation with suitable examples.
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Discuss in detail about spatial and non-spatial data.
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Discuss the terms Static, Kinematic and Differential GPS.
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Discuss factors that can affect the accuracy of GPS positioning.
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Describe the examples of different applications of GPS technology.
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Explain the Commonly used Map Projections and their Comparison.
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