When It Comes to Evacuation, How Is a Two-Stage Alarm

question 7

Multiple Choice

When it comes to evacuation, how is a two-stage alarm different from a one-stage alarm?

• A)A bell sounds followed by a horn.
• B)There are different sounds for evacuation versus alert.
• C)There are voice announcements in addition to sound.
• D)It starts at low volume then increases to high volume.

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Definitions:

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