A normally open set of relay contacts will close when:

A) Power is not applied to the contacts. B) Power is applied to the relay coil.
C) Power is applied to the contacts. D) Power is not applied to the relay coil.


B

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It is recommended that you prepare for potential crises:

a. the moment a crisis arises b. after the crisis has been addressed c. ahead of time d. only when a potential crisis might be significant

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When cleaning areas such as restrooms, housekeepers must refrain from _____________.