The absorption of a surface is the product of the __________ of the surface and its absorption coefficient.

Related MCQs

• The amount of sound transmitted outside a room depends on the surface while the amount of sound reflected or absorbed depends on the sound insulation properties of the surface.
• Which of the following relations between loudness and intensity is correct?
• Calculate the transmission loss given the sound levels measured on either side of the wall is 60 dB and 40 dB.
• Ventilation arising from the temperature difference between outside and inside takes place due to ____________ effect.
• The general temperature difference between inside and outside of a room is not more than ____________
• The entire assembly of styles, panels and rails is known as the __________
• __________ is a mixture of a linseed oil and whiting Chalk.
• _________ is a strip of wood, usually moulded or Splayed, which is fixed on the sides and head of opening.
• Which of the below doors is generally used in residential and office buildings?
• The flat, segmental, semicircular, horse-shoe and Stilted arches are __________