Satellite Communication MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. In analog technique of modulation in satellite, the most commonly employed system is

1. AM
2. FM
3. PAM
4. PWM

12. Sound signals in TV are

1. amplitude modulated
2. dc modulated
3. frequency modulated
4. a and c

13. Video signals in TV are

1. Amplitude modulated
2. de-modulated
3. Frequency modulated
4. None of these

14. For globle communication, the minimum number of satellites needed is

1. 1
2. 3
3. 7
4. 11

15. Shannons law relates

1. Antenna gain to bandwidth
2. Frequency to antenna gain
3. Antenna gain to transmission losses
4. Information carring capacity to S/N ratio

16. Mention the different services of satellite systems.

1. Broadcasting satellite services
2. Signal transmission
3. Information transmission
4. None of the above

17. Geostationary satellite follow

1. Circular path
2. Elliptical path
3. Inclined path
4. Cycloidal path

18. Satellite used for intercontinental communications are known as

1. COMAT
2. DOMSAT
3. INTELSAT
4. EARSAT

19. DAMA stands for

1. Data accessibility master aerial
2. Digital attenuators microwave antenna
3. Dual accessibility mode antenna
4. Demand assigned multiple access

20. The carrier to noise ratio for a satellite depends upon

1. Effective Isotropic Radiated power
2. Bandwidth.
3. Free space path losses
4. All of them