Correct Answer is: Automatic repeat request

Correct Answer is: Demand assigned multiple access

Correct Answer is: Compresses the higher amplitude parts of a signal before modulation and expand them back to normal again after demodulation

Correct Answer is: International Telecommunications Satellite

Satellite Communication MCQ Multiple Choice Questions for Practice

Q: 4. The optimum working frequency for satellite systems lies between

Correct Answer is: 2 GHz and 12 GHz

Q: 5. Geostationary satellites are located at a height of

Correct Answer is: 36000 km from earths surface

Q: 8. What is an error detecting code?

Correct Answer is: A code which allows for the detection of errors is termed an error detecting code.

Q: 12. Sound signals in TV are

Correct Answer is: frequency modulated

Q: 13. Video signals in TV are

Correct Answer is: Amplitude modulated

Q: 15. Shannons law relates

Correct Answer is: Information carring capacity to S/N ratio

Q: 16. Mention the different services of satellite systems.

Correct Answer is: Broadcasting satellite services

Q: 17. Geostationary satellite follow

Correct Answer is: Elliptical path

Get ready to test your knowledge with our Satellite Communication MCQs! These multiple-choice questions are perfect for students and exam aspirants looking to sharpen their understanding of satellite communication systems.

About Satellite Communication MCQ Questions

Satellite Communication MCQs cover essential topics such as satellite orbits, frequency bands, link budgets, and communication protocols. These questions help you grasp the core principles of how satellites transmit data and provide communication services across the globe.

Why Practice Satellite Communication Objective Questions?

Practicing these MCQs offers numerous benefits. They help you prepare for school and college exams, enhance your performance in competitive exams, and prepare for technical interviews. Regular practice reinforces your understanding of key concepts and improves your problem-solving skills.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Satellite Communication MCQ Questions for Practice

1. A synchronous satellite orbits the earth once in

24 hours
12 hours
6 hours
1 hours

2. For an elliptical orbit?

0 < e < 1
e = 0
e = 1
None of the above

3. The velocity of a geostationary satellite is nearly

1255 km/hr
6757 km/hr
9422 km/hr
12644 km/hr

4. The optimum working frequency for satellite systems lies between

20 MHz and 100 MHz
2 GHz and 12 GHz
20 GHz and 100 GHz
100 GHz and 200 GHz

5. Geostationary satellites are located at a height of

3600 km from earths surface
36000 km from earths surface
360,000 km from earths surface
3600,000 km from earths surface

6. Calculate the radius of a circular orbit for which the period is 1 day?

42.241 Km
42.241 m
4.241 Km
2.241 Km

7. The down link frequency in the C band transponder is

6 GHz
4 GHz
14 GHz
11 GHz

8. What is an error detecting code?

A code which allows for the detection of errors is termed an error detecting code.
A code which allows for the correcting of errors is termed an error detecting code.
a&b.
None of these

9. ARQ stands for

Accelerated redirection facility
Amplitude ratiodetector quantizing noise
Automatic repeat request
Aerial range quartz crystel

10. In satellite communication modulation is used

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

12. Sound signals in TV are

amplitude modulated
dc modulated
frequency modulated
a and c

13. Video signals in TV are

Amplitude modulated
de-modulated
Frequency modulated
None of these

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

15. Shannons law relates

Antenna gain to bandwidth
Frequency to antenna gain
Antenna gain to transmission losses
Information carring capacity to S/N ratio

16. Mention the different services of satellite systems.

Broadcasting satellite services
Signal transmission
Information transmission
None of the above

17. Geostationary satellite follow

Circular path
Elliptical path
Inclined path
Cycloidal path

18. Satellite used for intercontinental communications are known as

COMAT
DOMSAT
INTELSAT
EARSAT

19. DAMA stands for

Data accessibility master aerial
Digital attenuators microwave antenna
Dual accessibility mode antenna
Demand assigned multiple access

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

Effective Isotropic Radiated power
Bandwidth.
Free space path losses
All of them

21. Which area is least effectively coverd by geostationary satellites?

Equatorial region
Polar region
A and C
None of the above

22. The angle subtended by earth at a geostationary communication satellite is nearly

66.5
47.34
17.34
7.34

23. Which is the most commanly employed modulation technique in the commercial communication satellite system?

FM
Digital modulation
Analoge modulation
All of the above

24. Compander

Give a poor ratio of signal to duantizing error, for weaker signals
Give preferential treatment to stronger parts of the signal
Compresses the higher amplitude parts of a signal before modulation and expand them back to normal again after demodulation
None of the above

25. INTELSAT stands?

International Telecommunications Satellite
India Telecommunications Satellite
Inter Telecommunications Satellite
None of the above

26. Define frame efficiency.

It is a measure of the fraction of frame time used for the transmission of Traffic
It is a measure of the fraction of information time used for the transmission of Traffic.
a&b
None of above

27. With reference to satellite communication, the anti-jamming technique preferred is

key leverage
Frequency hopping
Once-only key
Frequency-spectrum modulation

28. The main advantage of satelliite comminication is

Low cost
Low distortion
High reliability
High band width

29. In TV broadcast via satellite the TV signal from the main broadcast station is routed to the earth station via

Low power transmitters
Microwave links
TV relay stations
microwave repeater stations

30. Satellite recieves signal from

Microwave repeater stations
TV relay station
Appropriate earth station
All of the above