Multiple Choice
A sound barrier with an STC of 50 will generally
A) not block music but will block speech sufficiently to be heard only by a curious listener.
B) block all speech and music, however loud.
C) block loud speech but not loud music.
D) block loud music but not loud speech.
Correct Answer:
Verified
Correct Answer:
Verified
Q25: The wavelength of sound at a frequency
Q26: Explain what transmission loss (TL)is. What is
Q27: Cycles per second is also called a<br>A)hulen.<br>B)pascal.<br>C)newton.<br>D)hertz.<br>E)none
Q28: What is the minimum building code- required
Q29: A commonly used porous sound absorber is<br>A)gypsum
Q31: The International Building Code requires minimum STC
Q32: What is impact insulation class, IIC? What
Q33: What does the frequency of sound measure?
Q34: Sound speed in air is approximately<br>A)1,100 ft/s.<br>B)500
Q35: Which wall assembly will provide a higher