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The unit of absorption is ____________

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in Construction & Building Materials by (190k points)
The unit of absorption is ____________

(a) Poise

(b) Stoke

(c) Siemens

(d) Sabin

The question was asked in an online interview.

This intriguing question comes from Acoustics in portion Acoustics and Ventilation of Construction & Building Materials

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Correct option is (d) Sabin

Explanation: The unit of absorption is the open window unit which is known as a sabin. It is named after the scientist who established this unit. The unit of sound absorbed by one square metre of a fully open window is m^2-sabin.

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