單項選擇題The steady state difference between the control point and the value of the controlled variable, corresponding with the set point, is known as ()

A.dead band
B.control point
C.deviation
D.offset


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1.單項選擇題The ratio of output response to a specified change in the input is known as()

A.primary feedback
B.deviation
C.sensitivity
D.dead band

3.單項選擇題Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?()

A.The period of time in which the set point and the control point coincide
B.The periodic change between the set point and the control point
C.The variable difference between the set point and the control point
D.The constant difference between the set point and the control point