Workmen Are Digging Up the Road Using Pneumatic Tools

question 66

Multiple Choice

Workmen 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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