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Previous Year Exam Questions for Remote Sensing and GIS - RSG of 2018 - BPUT by Bput Toppers

  • Remote Sensing and GIS - RSG
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Civil Engineering
  • B.Tech
  • 40 Views
  • 1 Offline Downloads
  • Uploaded 11 months ago
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Registration No : Total Number of Pages : 01 B.Tech PECI5302 5th Semester Back Examination 2018-19 REMOTE SENSING &GIS BRANCH : CIVIL Time : 3 Hours Max Marks : 70 Q.CODE : E099 Answer Question No.1 which is compulsory and any Five from the rest. The figures in the right hand margin indicate marks. Q1 a) b) c) d) e) f) g) h) i) j) Answer the following questions : What is the minimum number of satellites required from which signals can be recovered to enable a global positioning system receiver to determine latitude, longitude and altitude? The process of assigning geographic identifiers and other data records such as street addresses to map features is? What do you mean by vector overlay? Write the name of any four GIS software? Name different methods of contrast enhancement? What do you mean by Spherical coordinate system? What is filtering of an image? What are the limitations of GIS? What are the input devices for GIS? What is UTM projection? (2 x 10) Q2 a) b) What is spectral reflectance curve and what are its utilities in remote sensing? What is orbit of a satellite? Explain geosynchronous and sun synchronous orbits. (5) (5) Q3 a) b) What do you understand by visual image interpretation? Explain in brief. What is colour composite? What are the advantages of using various colour compositions? (5) (5) Q4 a) Why is GIS advantageous than CADD or other mapping software? What are the limitations of GIS? What do you understand by spatial data and attribute data? How are they integrated to make a GIS? (5) (5) b) What things can be represented by point, line and polygon? Explain topological data model to represent area. What is a map projection? Explain azimuthal projection. a) b) Differentiate between thematic maps and general purpose maps. What are the errors introduced while digitizing? Explain with sketches? (5) (5) What do you mean by digital terrain modeling? Explain different approaches to digital terrain data modeling. (10) b) Q5 Q6 a) Q7 Q8 a) b) c) d) Write short answer on any TWO : Multi concept in remote sensing Evolution of GIS Data updating Principles of cartographic design in GIS (5) (5) (5 x 2)

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