

MCQOPTIONS
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1. |
Two sources generate noise levels of 90 dB and 94 dB respectively. The cumulative effect of these two noise levels on the human ear is |
A. | 184 dB |
B. | 95.5 dB |
C. | 94 dB |
D. | 92 dB |
Answer» C. 94 dB | |