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!

Stone shape and usage

Which of the following forms of stone is irregular with a minimum of one good face and is used for ashlar veneers, curbs, sills, and copings? A. Monumental stone B. Rubble stone C. Dimension stone D. Rough stone Answer B. Rubble stone. ARE 4.0 exam prep: BDCS
Post a Comment
See the answer »

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°
Post a Comment
See the answer »

Water supply & demand

EPA.gov Domestic water consumption of an average american family of four is about how many gallons per day? A. 250, B. 400, C. 500, D. 650
Post a Comment
See the answer »