Satellite Communication MCQ

Test your knowledge with important Satellite Communication MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Satellite Communication MCQs on Bissoy. Bissoy App

• A mobile satellite array has usually how many elements?
  ক

  6

  খ

  88

  গ

  12

  ঘ

  14
• AsiaSat I covers how many countries in Asia?
  ক

  38

  খ

  10

  গ

  28

  ঘ

  15
• Earth station uses what type of antenna
  ক

  Despun antenna

  খ

  Helical antenna

  গ

  Toroidal antenna

  ঘ

  Cassegrain antenna
• The first Philippine Agila I will have how many transponders.
  ক

  36

  খ

  48

  গ

  24

  ঘ

  12
• What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation?
  ক

  26,426.4 miles

  খ

  27,426.4 miles

  গ

  23,426.4 miles

  ঘ

  22,426.4 miles
• What is the approximate path loss from satellite-to-earth station?
  ক

  100 dB

  খ

  150 dB

  গ

  175 dB

  ঘ

  200 dB
• What is the first passive satellite transponder?
  ক

  Sun

  খ

  Early Bird

  গ

  Score

  ঘ

  Moon
• Which of the following is the first active satellite?
  ক

  Echo I

  খ

  Telstar I

  গ

  Early Bird

  ঘ

  Sputnik I
• The first Philippine Mabuhay satellite has how many channels?
  ক

  30

  খ

  24

  গ

  48

  ঘ

  50
• What is the delay time for satellite transmission from earth transmitter to earth receiver?
  ক

  0.5 s

  খ

  1.0 s

  গ

  5 ms

  ঘ

  0.25 ms
• ___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern.
  ক

  Geosynchronous satellite

  খ

  Nonsynchronous satellite

  গ

  Prograde satellite

  ঘ

  Retrograde satellite
• Which of the following is the first commercial satellite?
  ক

  Early Bird

  খ

  Telstar

  গ

  Explorer

  ঘ

  Courier
• In a typical mobile satellite array antenna if three elements are activated, how many elements are deactivated?
  ক

  3

  খ

  11

  গ

  5

  ঘ

  9
• The first satellite to receive and transmit simultaneously
  ক

  Intelsat I

  খ

  Agila I

  গ

  Syncorn I

  ঘ

  Telstar I
• What is the frequency range of C-band?
  ক

  8.5 to 12.5 GHz

  খ

  3.4 to 6.425 GHz

  গ

  12.95 to 14.95 GHz

  ঘ

  27.5 to 31 GHz
• What is a device that detects both vertically and horizontally polarized signals simultaneously?
  ক

  Orthomode transducer

  খ

  Crystal detector

  গ

  Optoisolator

  ঘ

  Isomode detector
• The smallest beam of a satellite antenna radiation pattern
  ক

  Zone beam

  খ

  Hemispheric beam

  গ

  Spot beam

  ঘ

  Global beam
• Is the geographical representation of a satellite antenna radiation pattern
  ক

  Footprint

  খ

  Spot

  গ

  Earth

  ঘ

  Region
• _________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.
  ক

  Horn antenna

  খ

  LNA

  গ

  Satellite receiver

  ঘ

  Satellite dish
• Point on the satellite obits closest to the earth.
  ক

  Apogee

  খ

  Perigee

  গ

  Prograde

  ঘ

  Zenith
• A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.
  ক

  CDMA

  খ

  ANIK-D

  গ

  TDMA

  ঘ

  FDMA
• The frequency of Ku band for satellite communications.
  ক

  4 - 8 GHz

  খ

  12 - 18 GHz

  গ

  8 - 12 GHz

  ঘ

  26 - 40 GHz
• A satellite cross-link means
  ক

  Earth-to-satellite link

  খ

  Satellite-to-earth link

  গ

  Satellite-to-satellite link

  ঘ

  None of these
• INTELSAT stands for
  ক

  Intel Satellite

  খ

  International Telephone Satellite

  গ

  International Telecommunications Satellite

  ঘ

  International Satellite
• What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array?
  ক

  Radial divider

  খ

  Divider/combiner

  গ

  Radial combiner

  ঘ

  Radial multiplexer
• The switching from one element to the other element in a typical mobile satellite array.
  ক

  Series

  খ

  Radial

  গ

  Matrix

  ঘ

  Shunt
• How may satellite orbital slots are requested by the Philippine Government from ITU?
  ক

  2

  খ

  4

  গ

  6

  ঘ

  8
• What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band?
  ক

  3500 MHz

  খ

  4500 MHz

  গ

  2225 MHz

  ঘ

  2555 MHz
• The bandwidth of C-band satellite frequency band in U.S.
  ক

  500 GHz

  খ

  1000 GHz

  গ

  1000 MHz

  ঘ

  500 MHz
• Repeaters inside communications satellites are known as
  ক

  Trancievers

  খ

  Transponders

  গ

  Transducers

  ঘ

  TWT