Automation System
Automation means:

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

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Automation System
Semiconductor devices:

have a very short infant mortality period
None of these
usually have a very short MTBF (mean time between failure)
are less reliable than electro¬mechanical components
All of these

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Automation System
What is the process lag?

The time it takes for the sensor to respond to a changed.
None of these
All of these
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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