Hunter8842 Hunter8842

15-04-2024
Computers and Technology

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Audible alarm indicators, for commercial spaces, must output a minimum level of _dB at 10ft. and be ___dB greater than the ambient noise level.
a) 50 dB; 10 dB
b) 60 dB; 5 dB
c) 70 dB; 15 dB
d) 80 dB; 20 dB

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