Which of the following constructions is effective against both air-borne and structure-borne sounds?(a) Timber floor floating construction(b) Use of resilient surface material(c) Timber floor with suspended ceiling and air space(d) Concrete floor floating constructionI have been asked this question during an interview for a job.This is a very interesting question from Acoustics topic in chapter Acoustics and Ventilation of Construction & Building Materials

Which of the following constructions is effective against both air-bor

1.	Which of the following constructions is effective against both air-borne and structure-borne sounds?(a) Timber floor floating construction(b) Use of resilient surface material(c) Timber floor with suspended ceiling and air space(d) Concrete floor floating constructionI have been asked this question during an interview for a job.This is a very interesting question from Acoustics topic in chapter Acoustics and Ventilation of Construction & Building Materials
Answer» RIGHT option is (c) Timber floor with suspended ceiling and AIR space For explanation: Timber floor with suspended ceiling and air space construction is effective against both air-borne and structure-borne sounds. The extent of improvement effected is DEPENDENT on the weight of the ceiling and on the structural RIGIDITY.

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