Automation System
Light sensors:

come in a wide variety of mounting styles
None of these
work in direct sunlight
cannot be used a s limit switches.
never use infrared light as light source

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Automation System
A sequence controller:

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

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Automation System
A stepping motor;

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

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Automation System
CAE and CAM are linked through:

assembly automation and tool production.
NC tape programming and automated design
a common data base and communications system
None of these
parts production and testing

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Automation System
Microcomputer-based control sys-tems

will tend to increase in cost.
None of these
All of these
will have more standard industrial application software available in the future.
will just keep their present capability

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