Automation System
A sequence controller:

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

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Automation System
One of the major benefits of using CAD in tool design is that:

product design represents approximately one-half the engineering costs
it simplifies the trial-and-error method
there is better coordination in the materials-handling area
tool motions can be checked to see if there is interference between the tool and the object
None of these

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