The level of steady noise is measured by sound level expressed by which one of the following?
Answer & explanation
Correct answer: option 2
The level of steady noise is measured by sound level expressed in terms of decibels (dB).
The level of steady noise is measured by sound level expressed by which one of the following?
Correct answer: option 2
The level of steady noise is measured by sound level expressed in terms of decibels (dB).