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Audio Engineering Practice Test: Audio Devices and their Applications
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Audio equipment is used in many different scenarios, such as concerts, bars, meeting rooms and the home.  Here are some examples of audio devices and their applications: Digital audio recorders: Used to record meetings, interviews, or lectures and download them into a computer Microphones: Used in many applications such as telephones, hearing aids, public address systems, motion picture production, live and recorded audio engineering, sound recording, two-way radios, megaphones, and radio and television broadcasting Sound cards: An internal expansion card that provides input and output of... Show more
Audio Engineering Practice Test: Audio Devices and their Applications
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25 Questions

1. At which frequency response can one be proud of listening to a Hi-fi music system?
2. What is attached to the coil of moving coil loudspeaker and it causes compression and rarefaction cycles in air?
3. What is the range of tweeter for 3 way speaker system?
4. Which of the following microphone is coated with thin layer of Teflon at the back plate?
5. Frequency response of electrodynamic loudspeaker is not better than moving coil loudspeaker.
6. Up to how many GB the disc storage is expanded per layer in Blu-ray technology?
7. What happens to the resistance of carbon microphone when carbon granules are pressed and the current through the circuit increases?
8. What is the distortion in horn type speaker?
9. How many types of mixers are there in a PA system in audio devices?
10. By using which technology home stereo system remains the best way to listen to recorded music?
11. Which of the following microphones is used in highly explosive areas and nuclear plants?
12. What is expressed as the ratio of ‘signal output’ to the ‘output in the absence of signal’?
13. Which microphone is mounted on a long pole and operated by an audio crew member or assistant?
14. What is the power handling capacity for cone type speaker?
15. Which of the following microphone has the lowest cost in compare to other microphones?
16. The more data that is contained on a disc, the smaller and more closely packed the pits must be.
17. Which control is required in multi-way speaker system that may be balanced one against the other to give the particular feeling of concert hall?
18. Which magnetic material is the magnet in the moving coil loudspeaker made up of?
19. What is the unit for directivity in loudspeaker?
20. Which microphone provides interference free communication in electrically noisy channel?
21. Which type of microphone is used for mobile communications?
22. Which of the following microphones is used only in telephones?
23. What is related to uneven response to audio signals in microphone?
24. What is the distortion in carbon microphone?
25. Which type of microphone does not pick up reflected sound as well as the sound waves from the loudspeakers in PA system?