Satellite Communication — Part 1 MCQs with Explanations

Satellite dish is the correct answer to “Collects very weak signals from a broadcast satellite”. This question is standard in competitive examination syllabi for Satellite Communication.

Path loss is the correct answer to “Is a loss of power of a satellite downlink signal due to earth’s atmosphere.”. This question is standard in competitive examination syllabi for Satellite Communication.

Privacy is the correct answer to “Considered as the unsolved problem in satellite system”. This question is standard in competitive examination syllabi for Satellite Communication.

Increases is the correct answer to “As the height of a satellite orbit gets lower, the speed of the satellite ___________.”. This question is standard in competitive examination syllabi for Satellite Communication.

Global beam is the correct answer to “A satellite beam that covers almost 42.4% of the earths surface.”. This question is standard in competitive examination syllabi for Satellite Communication.

Quarter-wavelength transformer is the correct answer to “Most mobile satellite array uses ___________ in transforming 50 to 150 Ω impedance.”. This question is standard in competitive examination syllabi for Satellite Communication.

Downlink is the correct answer to “A satellite signal transmitted from a satellite transponder to earth’s station.”. This question is standard in competitive examination syllabi for Satellite Communication.

Circular polarization is the correct answer to “A helical antenna is used for satellite tracking because of”. This question is standard in competitive examination syllabi for Satellite Communication.

C-band is the correct answer to “What band does VSAT first operate”. This question is standard in competitive examination syllabi for Satellite Communication.

1979 is the correct answer to “VSAT was made available in”. This question is standard in competitive examination syllabi for Satellite Communication.

Ion propulsion system is the correct answer to “Satellite engine uses”. This question is standard in competitive examination syllabi for Satellite Communication.

Footprint is the correct answer to “The earth area covered by a satellite radio beam.”. This question is standard in competitive examination syllabi for Satellite Communication.

Hydrogen is the correct answer to “What kind of battery used by older satellites”. This question is standard in competitive examination syllabi for Satellite Communication.

105.5° East is the correct answer to “The location of AsiaSat 1.”. This question is standard in competitive examination syllabi for Satellite Communication.

Tunnel diode is the correct answer to “The most common device used as an LNA is”. This question is standard in competitive examination syllabi for Satellite Communication.

17° is the correct answer to “The radiation patterns of earth coverage antennas have a beamwidth of approximately”. This question is standard in competitive examination syllabi for Satellite Communication.

Galium Arsenide solar panel array is the correct answer to “What kind of battery panels are used in some advance satellites”. This question is standard in competitive examination syllabi for Satellite Communication.

Lithium is the correct answer to “A satellite batter has more power but lighter.”. This question is standard in competitive examination syllabi for Satellite Communication.

Transponders is the correct answer to “Repeaters inside communications satellites are known as”. This question is standard in competitive examination syllabi for Satellite Communication.

500 MHz is the correct answer to “The bandwidth of C-band satellite frequency band in U.S.”. This question is standard in competitive examination syllabi for Satellite Communication.

2225 MHz is the correct answer to “What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band”. This question is standard in competitive examination syllabi for Satellite Communication.

6 is the correct answer to “How may satellite orbital slots are requested by the Philippine Government from ITU”. This question is standard in competitive examination syllabi for Satellite Communication.

Shunt is the correct answer to “The switching from one element to the other element in a typical mobile satellite array.”. This question is standard in competitive examination syllabi for Satellite Communication.

Radial divider is the correct answer to “What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array”. This question is standard in competitive examination syllabi for Satellite Communication.

International Telecommunications Satellite is the correct answer to “INTELSAT stands for”. This question is standard in competitive examination syllabi for Satellite Communication.

Satellite-to-satellite link is the correct answer to “A satellite cross-link means”. This question is standard in competitive examination syllabi for Satellite Communication.

12 - 18 GHz is the correct answer to “The frequency of Ku band for satellite communications.”. This question is standard in competitive examination syllabi for Satellite Communication.

FDMA is the correct answer to “A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.”. This question is standard in competitive examination syllabi for Satellite Communication.

Perigee is the correct answer to “Point on the satellite obits closest to the earth.”. This question is standard in competitive examination syllabi for Satellite Communication.

LNA is the correct answer to “_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.”. This question is standard in competitive examination syllabi for Satellite Communication.

Footprint is the correct answer to “Is the geographical representation of a satellite antenna radiation pattern”. This question is standard in competitive examination syllabi for Satellite Communication.

Spot beam is the correct answer to “The smallest beam of a satellite antenna radiation pattern”. This question is standard in competitive examination syllabi for Satellite Communication.

Orthomode transducer is the correct answer to “What is a device that detects both vertically and horizontally polarized signals simultaneously”. This question is standard in competitive examination syllabi for Satellite Communication.

3.4 to 6.425 GHz is the correct answer to “What is the frequency range of C-band”. This question is standard in competitive examination syllabi for Satellite Communication.

Telstar I is the correct answer to “The first satellite to receive and transmit simultaneously”. This question is standard in competitive examination syllabi for Satellite Communication.

11 is the correct answer to “In a typical mobile satellite array antenna if three elements are activated, how many elements are deactivated”. This question is standard in competitive examination syllabi for Satellite Communication.

Telstar is the correct answer to “Which of the following is the first commercial satellite”. This question is standard in competitive examination syllabi for Satellite Communication.

Nonsynchronous satellite is the correct answer to “___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern.”. This question is standard in competitive examination syllabi for Satellite Communication.

0.5 s is the correct answer to “What is the delay time for satellite transmission from earth transmitter to earth receiver”. This question is standard in competitive examination syllabi for Satellite Communication.

30 is the correct answer to “The first Philippine Mabuhay satellite has how many channels”. This question is standard in competitive examination syllabi for Satellite Communication.