mmkjamison221 mmkjamison221

22-01-2024
Engineering

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The minimum required SPL for public mode signaling is the greater of ? above the average ambient or five dB above the maximum SPL lasting a minute or more, using the A-weighted scale (dBA)
a. 5 dB
b. 15 dB
c. 25 dB
d. 35 dB

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