O indicates when the controlled variable differs from the set point by a certain value O indicates when a controlled variable is increasing or decreasing at a faster rate than desired O indicates if the controlled variable reaches or exceeds a prescribed limit value all of the above

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Which of the following functions are performed by an alarm?
indicates when the controlled variable differs from the set point by a certain value
O indicates when a controlled variable is increasing or decreasing at a faster rate than desired
O indicates if the controlled variable reaches or exceeds a prescribed limit value
all of the above
Transcribed Image Text:Which of the following functions are performed by an alarm? indicates when the controlled variable differs from the set point by a certain value O indicates when a controlled variable is increasing or decreasing at a faster rate than desired O indicates if the controlled variable reaches or exceeds a prescribed limit value all of the above
The information acquired by a recorder is referred to as
O record keeping
O data acquisition
O historical control
Transcribed Image Text:The information acquired by a recorder is referred to as O record keeping O data acquisition O historical control
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