A.instigating corrective action
B.indicating values of controlled variables
C.warning of off-limit conditions
D.providing record of performance
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A.which governs the state of a variable
B.which provides a visual and audible alarm
C.which indicates values of controlled variables
D.which measures the state of the controlled variable
A.the lack of a feedback
B.the presence of a feed back
C.the lack of a computer
D.the presence of a computer
A.two-step controller action
B.proportional, controller action
C.integral controller action
D.derivative controller action
A.Proportional controller
B.Integral controller
C.Derivative controller
D.PID controller
A.predetermined value
B.measured value
C.off-limit
D.sustained deviation
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