If One Lawn Mower Causes an 80-DB Sound Level at a Point

question 148

Multiple Choice

If one lawn mower causes an 80-dB sound level at a point nearby,four lawnmowers together would cause a sound level of ____________ at that point.

• A)92 dB
• B)84 dB
• C)86 dB
• D)none of the above

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