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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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