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Q: Which is best used as a sound absorbing material in partition walls ?

  • 1
    Stone chips
  • 2
    Steel
  • 3
    Glass - wool
  • 4
    Glass pieces
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Answer : 3. "Glass - wool"
Explanation :

Answer: C) Glass - wool Explanation: Materials that do not transfer mechanical energy well. These tend to be soft,flexible, low density, and with high surface area to linear area ratios.

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