Automation System
A stepping motor;

has a speed proportional to voltage input
None of these
is a good choice where continuous rotation is needed
has a commutator
can index positional movement.

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Automation System
Ergonomics refers to:

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
None of these
the level of involvement the operator has with the workstation

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Automation System
Sensors:

None of these
probably will not improve over the next decade
are easily developed
are not important in automation
will be much smarter and more sophisticated in the future

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