Automation System
Sensors:

will be much smarter and more sophisticated in the future
None of these
are easily developed
are not important in automation
probably will not improve over the next decade

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Automation System
What is proportional control?

None of these
The gain is independent of offset error.
It has a discrete output for each error value
The controller output varies continuously over a range
All of these

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Automation System
What is the difference between integral and derivative control?

All of these
derivative control does not eliminate offset error
integral control has slower response to an error signal.
derivative control responds to a change in the rate of change in the error signal
None of these

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