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

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

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Automation System
What is proportional control?

The controller output varies continuously over a range
It has a discrete output for each error value
None of these
All of these
The gain is independent of offset error.

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