Automation System
Which of the following may be classified as an automation system?

automated warehouses
robotics
None of these
numerically controlled machine tools
All of these

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Automation System
Light sensors:

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

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Automation System
Speech recognition:

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

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