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Question 521 - CPP discussion
In emergency planning, nothing is more important than making sure that employees of your plant are thoroughly familiar with the National Attack Warning Signal. Which of the following is the correct signal?
A.
A la-minute wavering sound on siren
B.
A 3-to-5-minute steady sound on siren
C.
A series of one-minute steady sounds on sirens
D.
A 3-to-5-minute wavering sound on sirens or a series of short blasts on whistles, horns, or other devices as necessary
E.
A ringing of all church bells for 5 minutes
Your answer:
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