Automation System
Which of these controller types is the most accurate?

None of these
Proportional plus integral
Three mode
Proportional
Proportional plus derivative

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Automation System
A continuous process is:

self-contained in that raw materials enter the process and an identifiable products exits the process.
one that never shuts down
used only with analog controllers.
None of these
used only for simple tasks

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Automation System
A solenoid:

is spring operated
can be used only in de circuits
is related to an aneroid
is widely used in industrial automation
None of these

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