Automation System
A continuous process is:

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

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Automation System
A venturi tube:

measures the presence of a liquid
None of these
is extremely difficult to use
is made only of metal
can be used to measure gas or liquid flow rates

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Automation System
A sequence controller:

is a mechanical only controller
is no longer in widespread use
performs on/off control functions in relation to time.
is difficult to program
None of these

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