Download GTU BE/B.Tech 2018 Winter 5th Sem Old 150606 Disaster Assessment Using Geospatial Techniques Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 5th Sem Old 150606 Disaster Assessment Using Geospatial Techniques Previous Question Paper

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Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?V (OLD) EXAMINATION ? WINTER 2018
Subject Code:150606 Date: 30/11/2018

Subject Name: Disaster Assessment Using Geospatial Techniques

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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

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
OR
(b) Write applications of remote sensing and GIS in disaster assessment? 07

Q.3 (a) 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
(b) Explain the functions of DBMS. 07
OR
Q.3 (a) Discuss the concept of active and passive microwave remote sensing. Explain the
components of RADAR as an active microwave remote sensor.
07
(b) Explain the fundamental steps in digital image processing. 07

Q.4 (a) Explain the basic concept of GPS along with its components. 07
(b) Write a short note on Indian Space Programme 07
OR
Q.4 (a) Define metadata, attribute data & spatial data. Explain how spatial and attribute
data are linked for further analysis in a GIS software.
07
(b) Give limitations remote sensing and GIS. 07

Q.5 (a) Enlist the natural types of disasters in India? How can geospatial assessment
techniques be helpful for minimizing the impact of an earthquake?
07
(b) Explain role of GIS and remote sensing in assessing the impact of floods? 07
OR

Q.5 (a) Explain basics of relief and rescue operation by disaster assessment. 07
(b) Give the basic concepts how the damage assessment of agricultural crop will be
interpreted using remotely sensed data and a GIS software.
07

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