Question

Which is best used as a sound absorbing material in partition walls ?
A) Stone chips
B) Steel
C) Glass - wool
D) Glass pieces

Answer 1

C) Glass wool is best used as a sound absorbing material in partition walls.

This is so beacuse glass wool do not transfer mechanical energy. These tend to be soft,flexible, low density, and with high surface area to linear area ratios.

Glass wool is an insulating material made from fibres of glass arranged using a binder into a texture similar to wool.