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