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Sound Transmission Class (STC) Ratings Quiz

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Sound Transmission Class (STC) Ratings Quiz

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Questions and Answers

What does STC stand for?

Acoustic Insulation Rating

Sound Reduction Index

Sound Transmission Class (correct)

Noise Attenuation Coefficient

What does a higher STC number indicate?

More effective sound insulation (correct)

Less effective sound insulation

No impact on sound insulation

Inconsistent impact on sound insulation

What is the equivalent rating used outside the US?

ISO Sound Reduction Index (SRI) (correct)

Global Acoustic Insulation Measure (GAIM)

International Noise Attenuation Standard (INAS)

Worldwide Sound Transmission Class (WSTC)

What are the two most basic principles to improve the STC of a partition?

<p>Adding mass and increasing overall thickness</p> Signup and view all the answers

What standard provides the STC rating?

<p>ASTM E413 based on laboratory measurements performed in accordance with ASRM E90</p> Signup and view all the answers

Sound Transmission Class (STC) Ratings Quiz

Choose a study mode

Podcast

Questions and Answers

What does STC stand for?

What does a higher STC number indicate?

What is the equivalent rating used outside the US?

What are the two most basic principles to improve the STC of a partition?

What standard provides the STC rating?

More Like This

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Understanding STC and SRI Ratings

Sound Transmission Measurement in Acoustic Design

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