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What is the ambient noise level in the residential one during night time?

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in Energy Management by (679k points)
What is the ambient noise level in the residential one during night time?

(a) 40 dB

(b) 45 dB

(c) 50 dB

(d) 55 dB

I had been asked this question in an interview for job.

My question is based upon Noise Pollution and its Effects in portion Environmental Pollution of Energy Management

1 Answer

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Best answer
The correct choice is (b) 45 dB

To elaborate: The ambient noise level in residential zone during night period is 45 dB. During day time the ambient noise levels in the residential area are 55 dB. Ambient noise levels are different for commercial zone and industrial zones.

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