Automation System
Automation means:

increased productivity.
assisting or replacing humans with machines.
All of these
None of these
workers controlling machines.

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Automation System
What is the process lag?

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.
None of these
All of these
The lag in the error signal when the setpoint is changed.

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Automation System
Numerical control:

All of these
applies only to milling machines
None of these
is a method for controlling the operation of a machine by means of a set of instructions
is a method for producing an exact number of parts per hour

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