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Civil Engineering

Elements Of Remote Sensing MCQs

Practice Elements Of Remote Sensing MCQs for competitive exams.

Elements Of Remote Sensing MCQs

Practice questions from this topic.

Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena:

  1. A. Cloud evolution
  2. B. Vegetative cover
  3. C. Snow cover
  4. D. All of these
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Which one of the following attributes is not associated with digital maps

  1. A. Color
  2. B. Symbology
  3. C. Legends
  4. D. South arrow
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The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :

  1. A. 8
  2. B. 12
  3. C. 16
  4. D. 24
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Formation of snow occurs if the cloud temperature is

  1. A. Just above the freezing point
  2. B. At the freezing point
  3. C. Below the freezing point
  4. D. None of these
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A reduction of nitrogen nutrient in plants:

  1. A. Affects leaf color
  2. B. Reduces pigment concentration
  3. C. Increase the visible reflectivity
  4. D. All of these
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The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:

  1. A. Ozone hole
  2. B. Atmospheric window
  3. C. Ozone window
  4. D. Black hole
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The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from:

  1. A. 10 -10 to 10 6 m
  2. B. 10 -8 to 10 6 m
  3. C. 10 -10 to 10 10 m
  4. D. 10 -8 to 10 8 m
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For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:

  1. A. Circular orbit
  2. B. Sun-synchronous orbit
  3. C. Near polar orbit
  4. D. None of these
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Which one of the following residual biases involves the GPS accuracy?

  1. A. Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
  2. B. Receiver-dependent biases due to clock stability with line
  3. C. Signal propagation biases due to the sphere and troposphere propagation
  4. D. All the above
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DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within

  1. A. 25 km
  2. B. 50 km
  3. C. 75 km
  4. D. 100 km
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A passive sensor uses:

  1. A. Sun as the source of energy
  2. B. Flash light as a source of energy
  3. C. Its own source of energy
  4. D. None of these
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The basic requirement of any sensor system is:

  1. A. Radiometric resolution
  2. B. Spatial resolution
  3. C. Spectral resolution
  4. D. All of these
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