As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.
Question: As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.
[A].
110
85
60
45
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.