The sound insulation offered by rigid homogenous walls decreases with the increase in the thickness of the wall.

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.
• n rigid homogeneous walls, the transmission loss of a one-brick wall is _________
• Hard materials used for sound insulation are good absorbers.
• Calculate the transmission loss given the sound levels measured on either side of the wall is 60 dB and 40 dB.
• Concrete floor floating construction provides good insulation against __________ sounds.
• In cavity wall construction for soundproofing, the width of the cavity should be at least _________
• Distribution of loads on the wall is not uniform in single joist timber floor.
• Which of the following is not a characteristic of sound?
• Sound travels faster in gases than in solids.
• The velocity of sound in bricks is __________