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An is an audible or visible signal used to attract attention to an action that has automatically occurred or a condition that requires a response
alarm
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An is a panel of alarms designed to bring attention to a specified area or situation
annunciator
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An is an instrument that makes a permanent record of the instantaneous values of quantities.
oscillograph
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A is an instrument used to record instantaneous values of fault current onto printed paper
digital fault recorder
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What are the 3 major reasons alarms are installed in the stations
- 1. To warn of abnormal conditions.
- 2. To reduce the probability of injury to personnel, damage to
- equipment, or interruption of service.
- 3. To serve as an aid to you in the performance of your duties as an Operator
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True/False
If the alarm cannot be cleared, you may have to monitor the equipment until the condition has been corrected
True
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Oscillographs have been replaced by .
fault recorders
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What are the two levels of alarms on the RTU
Urgent/Urgent Critical
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True/False
The DRF records pre-fault, fault, and post fault data
True
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