Automation System
What is the process lag?

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

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Automation System
Digital signals:

have a sinusoidal shape.
None of these
have a frequency measured in units of hertz
can have three possible levels
are assigned values of 1 or 0 depending on the voltage level

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