What is maximum recommended exposure time to a noise level of 100 dB in a day?
What is maximum recommended exposure time to a noise level of 100 dB in a day?

Q. What is maximum recommended exposure time to a noise level of 100 dB in a day?

A.            15 min

B.            180 min

C.            250 min

D.            50 min

Answer: 15 min
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