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