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ECE :: Satellite Communication

  1. _____ is an artificial body that is projected from earth to orbit either earth (or) another body of solar systems.
  2. A.
    Satellite
    B.
    moon
    C.
    sun
    D.
    none of the above

  3. _____ is defined as the use of orbiting satellites to receive, amplify and retransmit data to earth stations.
  4. A.
    Optical communication
    B.
    Digital communication
    C.
    Analog communication
    D.
    Satellite communication

  5. ________ law states that the path followed by the satellite around the primary will be an ellipse.
  6. A.
    Newton's 1st law
    B.
    kepler's first law
    C.
    kepler's second law
    D.
    kepler's third law

  7. _____ law states that for equal time intervals, the satellite will sweep out equal areas in its orbital plane, focused at the barycenter.
  8. A.
    Newton's 1st law
    B.
    kepler's first law
    C.
    kepler's second law
    D.
    kepler's third law

  9. _____ law states that the square of the periodic time of orbit is perpendicular to the cube of the mean distance between the two bodies. A3 = 3/n2
  10. A.
    Newton's 1st law
    B.
    kepler's first law
    C.
    kepler's second law
    D.
    kepler's third law

  11. The point farthest from the earth is defined as ______
  12. A.
    Apogee
    B.
    perigee
    C.
    line of apsides
    D.
    none of the above

  13. The point where the orbit crosses the equatorial plane going from south to north is known as ________
  14. A.
    Ascending node
    B.
    Descending node
    C.
    Inclination
    D.
    none of the above

  15. INTELSAT stands for ________
  16. A.
    International Telecommunications Satellite
    B.
    India Telecommunications Satellite
    C.
    Inter Telecommunications Satellite
    D.
    None of the above

  17. ______ system achieves and maintains the required attitudes, including main function maintaining accurate satellite position throughout the life span of the system.
  18. A.
    Automatic control system
    B.
    Manual control system
    C.
    Attitude control system
    D.
    none of these

  19. Which of the following refers to the equipment used to provide the service for which the satellite has been launched.
  20. A.
    Payload
    B.
    Transponder
    C.
    Propellent
    D.
    none of these