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

A. 15 min
B. 180 min
C. 250 min
D. 50 min
Answer: 15 min