Download GTU B.Tech 2020 Winter 5th Sem 3150617 Remote Sensing And Gis Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3150617 Remote Sensing And Gis Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3150617 Date:22/01/2021
Subject Name:Remote Sensing and GIS
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS
Q.1 (a) Define Remote Sensing. Explain its advantages and limitations.
03

(b) What are raster and vector? Write the basic differences between
04
raster and vector.

(c) What is resolution and pixel in image? Explain in detail spectral resolution
07
and temporal resolution


Q.2 (a) Enlist various data formats of digital image.
03

(b) Explain the principle of Remote Sensing.
04

(c) Explain the systems of image classification in remote sensing.
07
Q.3 (a) Write a note on imaging sensors for digital image
03

(b) Write a note on active and passive remote sensing
04

(c) Explain the interaction Electromagnetic energy with the atmosphere in
07
detail.




Q.4 (a) Explain microwave remote sensing.
03

(b) Explain in brief different components of GIS.
04

(c) Describe briefly properties as well as classification of map projections
07
Q.5 (a) Define metadata, attribute data & spatial data
03

(b) Give the salient features of cadastral, thematic and topographic maps.
04

(c) Explain `vector data model' and `raster data model' in GIS
07



Q.6 (a) Describe the Fundamentals of GIS Analysis functions
03

(b) Explain the procedure of georeferencing in QGIS software
04

(c) Write salient features of remote sensing tool ENVI or ERDAS.
07
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Q.7 (a) Explain the concept of "Overlay analysis".
03

(b) Discuss the features of Mapwindow GIS and Arc GIS.
04

(c) Explain the concept of quadrant counts and nearest neighbour analysis
07
with respect to GIS data processing



Q.8 (a) Write a note on reference co-ordinate systems
03
(b) Explain applications of digital terrain model
04
(c) Explain the role of GIS and RS in assessing the impact of floods.
07

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