Automation System
What is the process lag?

None of these
The time it takes for the mass of the process to respond to an input change.
All of these
The lag in the error signal when the setpoint is changed.
The time it takes for the sensor to respond to a changed.

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Automation System
Trend analysis:

None of these
is used only in financial planning
can improve control system response
requires a very expensive system to implement
is a brand new concept

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