Below are the answers key for the Multiple Choice Questions in Acoustics - MCQs Part 1.
1. Sound-level meter
2. Noy
3. Noise rating curves
4. Natural frequency
5. Flanking transmission
6. Hearing level
7. 10 Hz
8. 40 Hz
9. 330 m/s
10. 214.5 Hz
11. 89.1 dB
12. Converts current variations into sound waves
13. Carbon
14. Bypassing high audio frequencies
15. 1000 Hz
16. Echo
17. Dolby
18. Sound intensity
19. Phon
20. Sound intensity
21. Mel
22. Decibel
23. Pitch and loudness
24. Dynamic
25. 50 watts
26. 1000 Hz
27. 5 A
28. 2.2
29. 7.6 dB
30. Supersonic
31. 5000 ft/sec
32. 0.18 W
33. Wavelength
34. 10 log I/Iref
35. 20 log P/ Pref
36. Frequency response
37. Reflection
38. Diffraction
39. Refraction
40. Reverberation time
41. Frequency
42. Ultrasonic
43. Crystal
44. Spider
45. 115.56 dB SPL
46. 35.3
47. Proximity effect
48. 20 Hz to 20 kHz
49. 10 Hz to 20 kHz
50. 5000 Hz to 10 kHz
Online Questions and Answers Series
Following is the list of practice exam test questions in this brand new series:
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