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