GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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Subject Code:150606
GUJARAT TECHNOLOGICAL UNIVERSITY
Subject Name: Disaster Assessment Using Geospatial Techniques
Time: 10:30 AM TO 01:00 PM
Instructions:
1. Attempt all questions.
3. Figures to the right indicate full marks.
Q.1 (a) Explain “Vector data model” & “Raster data model” in GIS. 07
(b) What is sensor? Describe air born and space born sensors in detail. 07
Q.2 (a) What are the advantages of GIS over map and computer aided design? 07
(b) Give brief idea about GSLV and PSLV. 07
Q.3 (a) OR 07
(b) Draw a sketch to explain how a remote sensing works to capture data and transfer it to the user. State the specific practical application of infrared region of the electromagnetic spectrum. 07
Q.4 (a) Explain the functions of DBMS. 07
(b) OR 07
Q.5 (a) Explain the fundamental steps in digital image processing. 07
(b) Explain the basic concept of GPS along with its components. 07
(b) OR 07
Define metadata, attribute data & spatial data. Explain how spatial and attribute data are linked for further analysis in a GIS software.
Q.3 (a) Give limitations remote sensing and GIS. 07
Q4 (a) Explain role of GIS and remote sensing in assessing the impact of floods? 07
(b) OR 07
Explain basics of relief and rescue operation by disaster assessment.
Q4 (a) Give the basic concepts how the damage assessment of agricultural crop will be interpreted using remotely sensed data and a GIS software. 07
Date: 30/11/2018
Total Marks: 70
Subject Code:150606
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-V (OLD) EXAMINATION - WINTER 2018Subject Name: Disaster Assessment Using Geospatial Techniques
Time: 10:30 AM TO 01:00 PM
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
Q.1 (a) Explain “Vector data model” & “Raster data model” in GIS. 07
(b) What is sensor? Describe air born and space born sensors in detail. 07
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Q.2 (a) What are the advantages of GIS over map and computer aided design? 07
(b) Give brief idea about GSLV and PSLV. 07
Q.3 (a) OR 07
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Write applications of remote sensing and GIS in disaster assessment?(b) Draw a sketch to explain how a remote sensing works to capture data and transfer it to the user. State the specific practical application of infrared region of the electromagnetic spectrum. 07
Q.4 (a) Explain the functions of DBMS. 07
(b) OR 07
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Discuss the concept of active and passive microwave remote sensing. Explain the components of RADAR as an active microwave remote sensor.Q.5 (a) Explain the fundamental steps in digital image processing. 07
(b) Explain the basic concept of GPS along with its components. 07
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Q.5 (a) Write a short note on Indian Space Programme 07(b) OR 07
Define metadata, attribute data & spatial data. Explain how spatial and attribute data are linked for further analysis in a GIS software.
Q.3 (a) Give limitations remote sensing and GIS. 07
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(b) Enlist the natural types of disasters in India? How can geospatial assessment techniques be helpful for minimizing the impact of an earthquake? 07Q4 (a) Explain role of GIS and remote sensing in assessing the impact of floods? 07
(b) OR 07
Explain basics of relief and rescue operation by disaster assessment.
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Q4 (a) Give the basic concepts how the damage assessment of agricultural crop will be interpreted using remotely sensed data and a GIS software. 07
Date: 30/11/2018
Total Marks: 70
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