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IV B.Tech I Semester Regular Examinations, November, 2010

REMOTE SENSING & GIS APPLICATIONS

(Civil Engineering)

Time : 3 hours Max. Marks :80

Answer any FIVE Questions

All Questions carry equal marks

*****

1. (a) Describe various types of Aerial photographs.

(b) What is orthophoto? Explain how area measurements are carried out using aerial

Photographs.

(c) Define parallax. Explain how a stereo pair can be used to determine the height of an

object? Describe with formula.

2. Describe the physical processes involved and parameters derived in

(a) Visible

(b) Thermal

(c) Microwave infrared parts of electromagnetic spectrum.

3. (a) What is False Colour composite? List the colour scheme to identify any 5 features in

standard FCC.

(b) What are image elements and terrain elements used for visual interpretation of

satellite data.

4. (a) Explain basic data requirements in a GIS environment.

(b) Describe any 2 fundamental GIS operations.

5. (a) Describe any 2 methods of data representation in GIS.

(b) Explain disadvantages of Vector GIS.

6. Explain any 2 computational analysis methods.

7. Describe any 3 methods of extraction of surface water bodies using satellite remote

sensing data.

8. Describe any 8 watershed characteristics in detail.

Set No.1 Code No. M0123 /R07

1 of 1

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IV B.Tech I Semester Regular Examinations, November, 2010

REMOTE SENSING & GIS APPLICATIONS

(Civil Engineering)

Time : 3 hours Max. Marks :80

Answer any FIVE Questions

All Questions carry equal marks

*****

1. (a) Explain how aerial photographs are used in stereoscopy.

(b) Describe the procedure for parallax measurements for height.

2. (a) Describe Planks equation? What is its use in remote sensing?

(b) What is atmospheric Windows? Describe various atmospheric constituents

responsible for absorption in visible to thermal Infrared region of Electro Magnetic

spectrum

3. (a) Describe typical spectral reflectance properties of clear deep water, vegetation/leaf,

dry soil in the visible through Short wave Infrared region of Electro Magnetic

spectrum.

(b) Spatial resolution and spectral resolution.

4. (a) Describe categories of GIS.

(b) Give at least 3 methods of data capture for GIS environment

5. Explain data input, data analysis and data output modules in GIS.

6. What is procedure used for merging of adjacent spatial data set. Explain problems

encountered in Edge matching

7. Write in brief on the following

(a) Rainfall-runoff Modeling using spatial data sets

(b) Flood damage assessment and Flood plain zonation using Remote Sensing satellite

data and GIS

8. Describe any 8 drainage morphometric parameters in detail.

Set No.2 Code No. M0123 /R07

1 of 1

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JNTUWORLD

IV B.Tech I Semester Regular Examinations, November, 2010

REMOTE SENSING & GIS APPLICATIONS

(Civil Engineering)

Time : 3 hours Max. Marks :80

Answer any FIVE Questions

All Questions carry equal marks

*****

1. (a) Describe various components in aerial cameras used for aerial photography.

(b) How to calculate scale of an aerial photograph.

(c) Define parallax. Explain how a stereo pair can be used to determine the height of an

object? Describe with formula.

2. (a) Describe various spectral regions in Electro Magnetic spectrum?

(b) What is atmospheric Windows? List atmospheric windows used in Remote sensing

of earth surface.

3. (a) Draw and explain spectral response curves for water, vegetation/leaf dry soil

interaction with electromagnetic energy.

(b) Explain type of resolutions.

4. (a) What are the components of GIS?

(b) Explain Theoretical Frame work of GIS.

5. (a) Outline major advantages and disadvantages of vector and raster data.

(b) What is the necessity for projection and transformation?

6. (a) Describe Visual Analysis Methods (VAM).

(b) What is procedure used for merging of adjacent spatial data set. Explain problems

encountered in Edge matching

7. Write a neat flow chart diagram explain the methodology in flood impact assessment and

monitoring using RS & GIS techniques.

8. Explain how Remote Sensing & GIS techniques are used in reservoir sedimentation.

Set No.3 Code No. M0123 /R07

1 of 1

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JNTUWORLD

IV B.Tech I Semester Regular Examinations, November, 2010

REMOTE SENSING & GIS APPLICATIONS

(Civil Engineering)

Time : 3 hours Max. Marks :80

Answer any FIVE Questions

All Questions carry equal marks

*****

1. (a) What is Mosaic? What are the necessary factors considered for mosaicing aerial

photographs.

(b) Define parallax. Explain how a stereo pair can be used to determine the height of an

object?. Describe with formula. What is vertical exaggeration?

2. (a) List the Spectral bands on-board IRS LISS III, its spatial, spectral, radiometric ,

temporal resolutions and its application potential.

(b) Give merits of Wiskh broom and Push broom sensors?

3. (a) Describe typical spectral reflectance properties of clear deep water, vegetation/leaf,

dry soil in the visible through Short wave Infrared region of Electro Magnetic

spectrum

(b) Explain Radiometric resolution and temporal resolution.

4. (a) What are the components of GIS

(b) Describe any 8 fundamental operations of GIS

5. (a) Discuss various types of Raster GIS models

(b) Give at least four methods of data capture for GIS environment

6. Explain the following advanced tools of GIS analysis along with suitable examples

(a) Network Analysis

(b) Terrain Analysis

(c) Spatial Operation

(d) Proximity Analysis

Set No.4 Code No. M0123 /R07

1 of 2

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7. Write a neat flow chart diagram explain the methodology in drought impact assessment

and monitoring using RS & GIS techniques

8. Explain how Remote Sensing & GIS techniques are used in identification of sites for

artificial recharge structures for ground water development

Code No. M0123 /R07 Set No.4

2 of 2

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