GIS and Remote Sensing Mid - I, September - 2014

1.In Aerial Photography, the minimum forward overlap is ____ and lateral overlap is _____
  • 60%, 25-30%
  • 25%, 10-15%
  • 35% , 15-20%
  • 40%, 17-22%
Answer: A
2.Which of the following remote sensing technologies use sound?
  • Radar
  • Colour Infrared
  • Sonar
  • Lidar
Answer: C
3._________ refers to the arrangement and frequency of tonal variation in particular areas of image
  • Tone
  • Texture
  • Pattern
  • Association
Answer: B
4._________explains the photoelectric effect
  • Planck’s law
  • Wein’s Displacement law
  • Stephen’s Boltzmann’s law
  • None of the above
Answer: A
5.In which region of electro-magnetic spectrum does passive sensing system operate
  • Infrared region
  • Visible region
  • Both A& B
  • Microwave region
Answer: C
6.FCC is acronym for __________
  • First Colour composite
  • False Colour Combination
  • False Colour composite
  • First Colour Combination
Answer: C
7.Sink holes appears as dark spots on an imagery where the surface or immediate subsurface soil consists of lime stones. This is an example of which one of the element of visual Image Interpretation
  • Tone
  • Texture
  • Shadows
  • Association
Answer: D
8.Identify the following Drainage Pattern _____ 
  • Dichotomic
  • Dendritic
  • Braided
  • Radial
Answer: B
9.Who is considered as Father of GIS?
  • P.A.Burrough
  • F.F.Sabins
  • Thomas Lillesand
  • Roger Tomlinson
Answer: D
10.In the 3D case for the same pair of x, y coordinates a number of spatial locations with a different z co- ordinate could exist because the z coordinate is calculated _________
  • independently from the x, y pair
  • dependently from the x, y pair
  • dependent only on x
  • dependent only on y
Answer: A
11.Topographic maps are prepared from hardcopy stereo pairs in a device called _____________
Answer: Stereoplotter
12.The altitude of camera at exposure time is called _____________.
Answer: Flying height
13.Microwaves and broadcast radio waves are examples of ______________ wavelengths.
Answer: Longer
14.The wavelength at which a black body radiation curve reaches a maximum is related to its temperature by ______________ law.
Answer: Wein’s displacement law
15._____________ is a measure of the ground area viewed by a single detector element in a given instant in time.
Answer: Instantaneous field of view (IFOV)
16.The temporal resolution of Land sat 4/5 is ____________days.
Answer: 16
17.A high resolution image refers to one with a_____________ resolution size where as a low resolution image refers to one with a______________ resolution size.
Answer: Small, large
18._____________are decision support computer based systems for collecting, storing, presenting and analyzing geographical spatial information.
Answer: GIS
19.____________ is the term used to describe the geometric characteristic of objects which do not change under transformations and are independent of any coordinate system.
Answer: Topology
20.____________are things in the real world and ____________are things in the digital world
Answer: Entities, Objects