Sound Insulation and Absorption Quiz
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Questions and Answers

What is the primary focus of architectural acoustics?

  • Isolating unwanted sounds
  • Reducing sound wave volume
  • Creating a satisfactory acoustical environment (correct)
  • Generating sound sources

Which aspect of acoustical design in buildings involves insulating building occupants from intrusive noise?

  • Structural precautions to reduce noise penetration
  • Isolation of unwanted sounds (correct)
  • Internal acoustics of rooms
  • Planning to keep noise sources as far as possible from quiet areas

What is the difference between sound and noise in the context of acoustics?

  • Sound is what we hear, unwanted sound is noise (correct)
  • Sound is unwanted, noise is what we hear
  • Noise is what we hear, sound is unwanted
  • Noise is wanted, sound is unwanted

What is the primary purpose of acoustic materials in architectural acoustics?

<p>Providing special acoustic treatments for specific rooms (C)</p> Signup and view all the answers

What is the main purpose of sound insulation?

<p>To eliminate the sound path from a source to a receiver (A)</p> Signup and view all the answers

What is Sound Absorption Coefficient (SAC) related to?

<p>Absorbing or reflecting randomly incident sound power (A)</p> Signup and view all the answers

What does Sound Transmission Class (STC) measure?

<p>Barrier effect of a material or assembly (A)</p> Signup and view all the answers

What is the noise reduction coefficient (NRC) used to rate?

<p>How absorptive a particular material is (C)</p> Signup and view all the answers

What does sound transmission loss (TL) measure?

<p>A door's ability to reduce noise (A)</p> Signup and view all the answers

Which term refers to the bending or 'flowing' of a sound wave around an object or through an opening?

<p>Diffraction (A)</p> Signup and view all the answers

What does the term 'sound-reflecting walls' indicate?

<p>The ability of walls to reflect sound (D)</p> Signup and view all the answers

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