Question
Mine Planning Question on Sampling: Methods, Practices and Interpretation
The combined sound pressure level measured at a point in a production bench due to one dumper and one shovel is 95 dB(A). If the sound pressure level of shovel alone is 90 dB(A), the sound pressure level of the dumper alone, in dB(A), at the same point is_____.(round off up to 2 decimals)
Answer
The correct answer is: 93.00 or 94.00 (approx)