Q4. A Company operates quarry near local housing. People living near this quarry complained about the high noise levels. The company then built an earth barrier to reduce the noise levels that reached the houses.
(a) State what is meant by noise.
(b) Why is it important to reduce noise?
(c) Explain how the barrier can reduce the noise levels.
plz tell correctly and no spam, or else i report
(a) State what is meant by noise.
(b) Why is it important to reduce noise?
(c) Explain how the barrier can reduce the noise levels.
plz tell correctly and no spam, or else i report
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Noise barriers reduce the sound from a busy highway by either absorbing the sound, transmitting it, reflecting it back across the highway, or forcing it to take a longer path to receivers. A noise barrier must be tall enough and long enough to block traffic noise from the area that is to be protected.
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