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Building & Construction Practice Test: Acoustics
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Avg score: 67% • Most missed: “Calculate the transmission loss given the sound levels measured on either side o…”
Acoustics topics include: Audible sound characteristics, reflection, reverberation and absorption, common acoustical defects, halls and studios acoustical design, auditorium acoustic design and defects Acoustics is a branch of physics that studies mechanical waves in solids, liquids, and gases. It includes topics such as vibration, ultrasound, sound, and infrasound. Acoustics is not limited to phenomena that can be heard by humans and animals. It also includes phenomena with frequencies so low (infrasound) or so high (ultrasound) that cannot be heard by a normal person.  Acoustics is an... Show more
Building & Construction Practice Test: Acoustics
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25 Questions

1. Reverberation time is independent of the shape of the room.
2. The range of audible sound too painful noise varies from ________ decibel.
3. Which of the following types of absorbents can absorb the sound of any frequency?
4. A _________________ produced by sound may shatter windows and can cause damage to the Plaster of walls.
5. The intensity of sound depends on the ear of the listener.
6. ______________ of sound is affected by frequency of sound.
7. The velocity of sound in bricks is __________
8. The recommended volume for a public lecture hall is ___________
9. In rigid homogeneous walls, the transmission loss of a one-brick wall is _________
10. Rock wool comes under which of the following classifications of absorbents?
11. Proper shape of the hall can help in preventing the formation of echoes.
12. The interior surfaces of walls in a studio should be of ________ materials.
13. The word Acoustic is originally derived from a Greek word meaning _________
14. The average height for small halls should be _________
15. Which of the following statements is correct?
16. The unit of absorption is ____________
17. For an echo to be distinguished as separate, it should reach the ear _________ of a second after the direct sound.
18. The absorption ratio of a surface is the ratio of ___________
19. For lecture halls, large volumes are beneficial for weak sounds.
20. The intensity of sound is proportional to __________ of amplitude.
21. Which of the following is not a characteristic of sound?
22. The ________________ is defined as the number of pressure variation which a sounding body makes in each unit of time.
23. The width of the seats in an auditorium should be between __________
24. Colouring of sound quality is caused due to _________
25. In cavity wall construction for soundproofing, the width of the cavity should be at least _________

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