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Mining Engineering · Q33

Mine Environment

Engineering and GATE · Mining Engineering · question 33

Q33

A worker is exposed to 86 dB for six hours and 92 dB for three hours, giving a nine hour working day. Determine the dose % and TWA.

A.
92.3%, 89.4
Answer
B.
89.4% 69.4
C.
89.4%, 86.4
D.
92.3%, 88.4

Answer: Option A

Solution

Answer: Option A
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