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