A) 10-20 dB
B) 30-60 dB
C) 70-90 dB
D) 120-150 dB
Correct Answer: A
Solution :
[A] The word noise is taken from the latin word nausea and is defined as unwanted or unpleasant sound that causes discomfort. Intensity of some noise sources is as follows:
|
You need to login to perform this action.
You will be redirected in
3 sec
