Automation System
Speech recognition:

None of these
is already widely used in industrial controls
All of these
will never be used in industrial controls
will be used in more applications as the technology matures.

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Automation System
Ergonomics refers to:

the level of involvement the operator has with the workstation
None of these
the cost relationship of the workstation versus productivity
the human aspect of the environment around the workstation as well as the workstation itself
the technology involved in the workstation itself

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Automation System
A process controller:

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

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

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

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

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