Multiple Choice
What is the required noise attenuation in a commercial laundry where actual noise level is 95 dB(A) and the standard is 88 dB(a) for eight hours?
A) 1 dB(A)
B) 14 dB(A)
C) 49 dB(A)
D) 176 dB(A)
Correct Answer:
Verified
Correct Answer:
Verified
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