Automation System
Automation normally means:

a net increase in jobs.
no change in jobs.
None of these
a net loss of jobs.
All of these

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Automation System
What is offset error?

the difference between the sensor input and the absolute sensed parameter.
None of these
All of these
the difference between the controller output and the setting of the manipulated variable.
the difference between the control setpoint value and the actual value.

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Automation System
A dc servo motor:

None of these
uses a variable dc voltage for speed control
uses a tachometer for speed feedback
All of these
can provide precise position control

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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
None of these
All of these
cannot be changed once the program is written

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