Multiple Choice
The decibel level of a jackhammer is 130 dB relative to the threshold of hearing. Determine the decibel level if three jackhammers operate side by side.
A) 65 dB
B) 130 dB
C) 133 dB
D) 148 dB
E) 260 dB
Correct Answer:
Verified
Correct Answer:
Verified
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