You are designing an audible alarm notification system for an office environment with an ambient noise level of 55 dBA. What dBA level should the horn be set at?

The correct answer is E. 70 dBA. See the full explanation below for the reasoning.

Question

Options

A40 dBA
B50 dBA
C55 dBA
D65 dBA
E70 dBA

How the community answered

(27 responses)

A
7% (2)
B
4% (1)
D
4% (1)
E
85% (23)

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