Satellite Communication Objective Question and Answer
Satellite Communication MCQ Multiple Choice Questions - Page 2 for Practice
31. A certain sound has 1000 times more eneergy then another sound. The number of times it would sound stronger to a listener will be
Correct Answer is: 30
32. Transmission bandwidth for satellite system least depends on
Correct Answer is: Ionospheric characteristics
33. A communication satellite is a repeater between
Correct Answer is: many transmitting and many receiving station
34. Define Polar-orbiting Satellites.
Correct Answer is: Polar orbiting Satellites orbit the earth in such a way as to cover the north & south Polar Regions.
35. Geostationary satellite are generally put in ....... orbit and domestic satellite in .......... orbit
Correct Answer is: Equatorial, polar
36. A television (TV) transmission is an example of which type of transmission?
Correct Answer is: Simplex
37. What are the types of antenna losses?
Correct Answer is: all of these
38. The total noise of a satellite earth station receiving system consists of
Correct Answer is: All of the above
39. Types of CDMA?
Correct Answer is: a&b
40. The multiple access technique suitable only for digital transmission is
Correct Answer is: TDMA
41. What are the methods of multiple acess techniques?
Correct Answer is: a&b
42. Argument of perigee?
Correct Answer is: The angle from ascending node to perigee, measured in the orbital plane at the earth’s center, in the direction of satellite motion.
43. Keplers first law states?
Correct Answer is: The path followed by a satellite around the primary will be an ellipse.
44. Apogee?
Correct Answer is: The point farthest from earth
45. Perigee?
Correct Answer is: The point closest approach to earth
46. Ascending node?
Correct Answer is: The point where the orbit crosses the equatorial plane going from south to north
47. Define S/N ratio.
Correct Answer is: The S/N introduced in the preceding section is used to refer to the ratio of signal power to noise power at the receiver output.This ratio is sometimes referred to s the post detector.
48. Define diplexer.
Correct Answer is: The transmit & receives signals are separated in a device known as diplexer.
49. True anomaly?
Correct Answer is: The true anomaly is the angle from perigee to the satellite position, measured at the earths center.
50. As on-line, real time data transmission system is most likely to require a connection that is
Correct Answer is: Duplex
51. Primary component of uplink section of satellite is
Correct Answer is: earth station transmitter
52. PCM system is used in satellite communications for transmission of
Correct Answer is: Speech signal
53. A telephone communication link between two countries is established through a composite system using submarine cable and satellite when
Correct Answer is: Two countiees are not facing common satellite
