Automation System
A servo controlled robot:

can accelerate
must be electrically driven
stop only at fixed points on each axis
must be hydraulically driven
None of these

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Automation System
Light sensors:

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

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Automation System
A venturi tube:

is made only of metal
None of these
measures the presence of a liquid
is extremely difficult to use
can be used to measure gas or liquid flow rates

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Automation System
A continuous process is:

self-contained in that raw materials enter the process and an identifiable products exits the process.
used only with analog controllers.
used only for simple tasks
None of these
one that never shuts down

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