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Mining Engineering · Q31

Mine Environment

Engineering and GATE · Mining Engineering · question 31

Q31

The noise level at 10 m from a long conveyor belt was 95 dBA. What is the noise level at 100 m?

A.
85 dBA
Answer
B.
90 dBA
C.
95 dBA
D.
80 dBA

Answer: Option A

Solution

Answer: Option A
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