Download JNTUA M.Tech 2nd Sem 2016 February 9D12105b Geographical Information Systems Question Paper

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Code: 9D12105b

Max. Marks: 60

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Time: 3 hours

M.Tech I Semester Regular & Supplementary Examinations February 2016

GEOGRAPHICAL INFORMATION SYSTEMS

(Geotechnical Engineering)

(For students admitted in 2011, 2012, 2013, 2014 & 2015 only)

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Answer any FIVE questions

All questions carry equal marks

1. 1. Explain in detail about spectral reflectance of vegetation and water.
   2. Describe about the energy interaction with the atmosphere.

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2. 1. Differentiate between geo-synchronous and sun-synchronous satellites.
   2. What are the different types of sensors based on energy source?

3. Discuss in detail about the sources of geometric distortions and nature of corrections for various purposes.

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4. 1. Differentiate between supervised and unsupervised classification.
   2. Identify two situations in which you would use an unsupervised classification.
5. 1. Explain in detail about the components of GIS.
   2. What do you mean by geospatial topology?

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6. Elaborate about various data models in GIS.

7. Take an application of GIS for finding landslide hazard zones and explain the methods of analysis in detail.

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8. How will you use GIS tools for the purpose of doing pollution modeling?

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