Automation System
Actuators are used to:

None of these
All of these
make a mechanical movement
activate a chemical
sense an object

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Automation System
Stepping motors:

can run at varying speeds
can be built to index different amounts by changing the pole configuration
do not require commutators
can run both clockwise and counterclockwise
All of these

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Automation System
An encoder:

converts an input to a binary number
None of these
is used to send telegraph signals
can have only four keys
converts a binary number to a decimal number.

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Automation System
Microcomputer-based control sys-tems

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

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