Automation System
What should be first considered in choosing a plotter?

None of these
The cost
The type of data you will input
The application for which it will be used
The hardware you currently own

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Automation System
A process controller:

All of these
is useful in a continuous process control application
None of these
can interface to digital and analog I/O
can solve a PID process control equation easily

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Automation System
Programmable controllers:

cannot perform functions other than relay logic
(a) and (c) above
None of these
are programmed using relay ladder logic
are widely used in many different industries

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Automation System
The program execution time:

must be slower than the fastest mechanical operation that is to be controlled
will vary depending on the language used
cannot be changed once the program is written
None of these
All of these

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