Question

What is the best way to reduce the noise pollution around houses?

(a) Throwing all noisy machines

(b) Built a noise resistant shield across the house

(c) Use of ear buds to reduce the noise

(d) Planting trees around houses

I have been asked this question in an interview for internship.

Query is from Noise Pollution Control Techniques topic in portion Environmental Pollution of Energy Management

Answer 1

The correct choice is (d) Planting trees around houses

Explanation: To block the path of noise, planting trees around houses can be an effective way. In some situations trees will reduce noise levels up to 50% but to be effective we need a trees barrier that is at least 50 feet deep.