Automation System
A discrete parts process is:

the same as a continuous process except a different controller must be used
normally a repetitive series of operations
(b) and (c)
often encountered in manufacturing
None of these

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Automation System
What is proportional control?

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

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

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

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