The sound level near a noisy air conditioner is 70 dB. If
Chapter 12, Problem 3MCQ(choose chapter or problem)
The sound level near a noisy air conditioner is 70 dB. If two such units operate side by side, the sound level near them would be
(a) 70 dB.
(b) 73 dB.
(c) 105 dB.
(d) 140 dB.
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