BUILDING UTILITIES

Which material type allows the fastest sound transmission?

• Liquid
  

• Air
  

•  Solid
  

• Foam
  

What is the science of sound and vibration referred to in architectural acoustics?

• Sonics

• Psychoacoustics
  

• Acoustics
  

• Electromagnetics
  

Which is considered unwanted sound?

• Music

• Noise
  

• Echo
  

• Reverberation
  

What do new lightweight construction materials often cause?

• Soundproofing

• Thermal insulation
  

• Sound leakage
  

• Improved acoustics
  

What is the main purpose of acoustical design in buildings?

• Enhance visual appeal
  

• Control temperature
  

• Control sound for functionality
  

• Improve lighting
  

Which type of acoustics focuses on how humans react to sound?

• Sonics

• Environmental acoustics
  

• Psychoacoustics
  

• Electroacoustics
  

What refers to the study of sound in man-made environments?

• Thermodynamics
  

• Psychoacoustics
  

• Architectural acoustics
  

• Environmental acoustics
  

Who invented the decibel unit?

• Nikola Tesla
  

• Isaac Newton
  

• Alexander Graham Bell
  

• Thomas Edison
  

What is the usual range of human hearing?

• 2–200 Hz
  

• 200–20,000 dB
  

• 20–20,000 Hz
  

• 20–2000 dB
  

Which type of sound source is commonly generated by equipment or vibrating bodies?

• Music
  

• Speech
  

• Noise

• Whisper