Automation System
Sensors:

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

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Automation System
A discrete parts process is:

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

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Automation System
An aneroid barometer

None of these
measures pressure by sensing deflection of an evacuated chambers.
is very unreliable
can be used to measure gas or liquid flow rates
can measure only atmospheric pressure

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

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

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