Workers Are Digging Up the Road Using Pneumatic Tools

question 46

Multiple Choice

Workers are digging up the road using pneumatic tools. If a single tool creates a noise level of 88 decibels a few meters away, calculate the noise level if four such tools were in operation the same distance away.

• A) 176 dB
• B) 90 dB
• C) 352 dB
• D) 94 dB
• E) 92 dB

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