Skip to main content

Noise transmission


Which is true?  A. The level of airborne noise that passes through either a floor/ceiling or wall assembly at a specific location produces an IIC rating.  B. The level of airborne noise that passes through either a floor/ceiling or wall assembly at a specific location gives an STC rating.  C. Sound transmission occurring due to impact noise transferring through a floor-ceiling assembly gives an IIC rating.  D. Sound transmission occurring due to impact noise transferring through a floor-ceiling assembly produces an STC rating.


B is correct.
IIC = Impact Isolation Class - impact noise, STC = Sound Transmission Class - airborne noise
are-review.blogspot.com

Comments

Post a Comment

Try These Too!

Fire detection

Which of the following detector types can detect smoke or a smoldering fire that has not yet burst into flames? A. Ionization B. Rise-of-temperature C. Photoelectric D. Flame detectors
Post a Comment
See the answer »

Calculate beam reaction

Find the reactions indicated in the beam diagram. ( ∑M = 0 ; Moment sum of loads and resisting reaction is equal to zero.)
Post a Comment
See the answer »