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MCQs

Total Questions : 687 | Page 67 of 69 pages
Question 661. Pick up the important characteristic of a target which facilitates its identification from the following ?
  1.    Spectral variation
  2.    Spatial variation
  3.    Temporal variation
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 662. The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is_______________?
  1.    8
  2.    12
  3.    16
  4.    24
 Discuss Question
Answer: Option D. -> 24
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 663. Which on speed C. of the electromagnetic wave is correct ?
  1.    C = v
  2.    C = /v
  3.    C = v
  4.    C = 1/
 Discuss Question
Answer: Option C. -> C = v
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 664. In GPS, receivers used are___________________?
  1.    Electronic clocks
  2.    Atomic clocks
  3.    Quartz clocks
  4.    Mechanical clocks
 Discuss Question
Answer: Option C. -> Quartz clocks
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 665. The value of energy quantum for radiation of any frequency is proportional to________________?
  1.    The frequency
  2.    The reciprocal of the energy
  3.    The square of the frequency
  4.    The square root of the frequency
 Discuss Question
Answer: Option A. -> The frequency
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 666. Which one of the following attributes is not associated with digital maps_______________?
  1.    Colour
  2.    Symbology
  3.    Legends
  4.    South arrow
 Discuss Question
Answer: Option D. -> South arrow
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 667. Which one of the following frequency regions is a part of sun’s radiation ?
  1.    Ultraviolet frequency region
  2.    Infrared frequency region
  3.    Radio frequency region
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 668. For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is_____________?
  1.    130 km
  2.    230 km
  3.    250 km
  4.    500 km
 Discuss Question
Answer: Option B. -> 230 km
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 669. Which one of the following geometric errors of satellite sensors is random ?
  1.    Scan skew
  2.    Panoramic distortion
  3.    Earth rotation
  4.    Altitude variation
 Discuss Question
Answer: Option D. -> Altitude variation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 670. The most widely used antenna in GPS is_______________?
  1.    Parabolic antenna
  2.    Microstrip antenna
  3.    Horn antenna
  4.    Slotted antenna
 Discuss Question
Answer: Option B. -> Microstrip antenna
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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