Automation System
The coordinate system used to describe a workpiece:

is defined with respect to a point on the machine
changes from part to part
All of these
is always two-dimensional
None of these

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Automation System
A sequence controller:

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

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Automation System
An operating system:

All of these
provides ability for other programmers to understand the software structure
None of these
can help reduce software development time
is useless in most control applications

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Automation System
A solenoid:

is widely used in industrial automation
is spring operated
None of these
is related to an aneroid
can be used only in de circuits

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