Home > Electronics Mechanic > Quizzes > Electronic Mechanic Practice Test: Communication Electronics
Electronic Mechanic Practice Test: Communication Electronics
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 0% • Most missed: “What is fidelity of receiver circuits?”
Electronic Mechanic Practice Test: Communication Electronics
Time left 00:00
25 Questions

1. What is the expansion of AFC?
2. Which type of modulation uses the signal super imposed over the carrier waves?
3. Which types of modulation techniques is used to produce the wave form?
4. What is the modulation index of the Amplitude modulated waveform?
5. How the over modulation of carrier signal is prevented by the broadcast station?
6. What is the name of the section marked ‘X’ in the digital communication system?
7. What is the name of block diagram?
8. What is the effect of increasing the modulation depth to 100% in Amplitude modulation process?
9. Why the modulation index is kept within limits in amplitude modulated signal transmission?
10. Which modulation method is used in binary phase shift keying applications?
11. What is the name of radio receiver?
12. Which instrument is necessary to align the FM detector in receiver circuit?
13. How the over modulation of carrier signal is prevented by the broadcast station?
14. What is the expansion of AFC?
15. What is the function of capacitor (C) in the envelope detector circuit?
16. What is the name of the section marked ‘X’ in the digital communication system?
17. What is fidelity of receiver circuits?
18. Which type of FM detector concept produces the frequency response characteristics curve?
19. Which type of antenna is used for point-to- point communication of radio waves?
20. Which modulation method is used in binary phase shift keying applications?
21. Which type of antenna is used for point-to- point communication of radio waves?
22. What is the range of frequency for FM broadcasting?
23. What is the range of frequency for short wave (SW) band?
24. What is the effect on the AM transmitter output if the modulation index value exceeds unity?
25. What is fidelity of receiver circuits?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Electronic Mechanic Practice Test: Basic Gates, Combinational Circuits, Flip-flops Electronic Mechanic Practice Test: MOSFET & IGBT Electronic Mechanic Practice Test: Electronic Circuit Simulator Electronic Mechanic Practice Test: Basic SMD Electronics Mechanic Practice Test: Cathode Ray Oscilloscope Electronic Mechanic Practice Test: Electronic Cables and Connectors Electronics Mechanic Practice Test: Modulation And Detection
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.