Architectural Acoustics: Unveiling the Magical Science of Sound
- 1. What material is commonly used to absorb sound in architectural design?
A) Concrete blocks
B) Wood panels
C) Metal plates
D) Acoustic foam
- 2. What is the term for the time taken for sound to decrease in intensity by 60 decibels?
A) Diffusion index
B) Reflection coefficient
C) Sound absorption
D) Reverberation time
- 3. What is the purpose of sound masking in architectural acoustics?
A) Increase reverberation
B) Enhance music quality
C) To improve speech privacy
D) Amplify sound projection
- 4. What type of sound waves are primarily responsible for room modes in enclosed spaces?
A) Pulse waves
B) Surface waves
C) Transverse waves
D) Standing waves
- 5. What is the unit of measurement for sound intensity level?
A) Hertz (Hz)
B) Newton (N)
C) Celsius (°C)
D) Decibel (dB)
- 6. What is the phenomenon where multiple sound reflections combine constructively or destructively called?
A) Refraction
B) Interference
C) Diffusion
D) Transmission
- 7. Which method is typically used to calculate the speech transmission index (STI) in architectural acoustics?
A) Modulation transfer function
B) Echoic memory test
C) Reverberation calculation
D) Frequency spectrum analysis
- 8. What type of lighting is often combined with acoustical treatments to maintain a pleasing atmosphere in spaces?
A) String lighting
B) Spotlighting
C) Fluorescent lighting
D) Indirect lighting
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