## Levels of Noise – MCQ || Environmental Engineering ||

Levels of Noise – MCQ 1. What is the mathematical expression of sound level in decibels? a) b) c) d) 2. What is the unit of intensity of sound? a) Pascal.b) Decimal.c) Decibels.d) Bels/meter. 3. What is the mathematical expression of sound intensity level in decibels? a) b) c) d) 4. Which of the following…

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