Automation System
What is the process lag?

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

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Automation System
Direct Numerical Control means:

complete elimination of a need for a human operator.
using several computers to control one large machine
using one computer to control several machines
None of these
eliminating computers from the manufacturing process

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