Automation System
The electronic component that has been the key to recent developments in automation is the:

diode
None of these
improved vacuum tube
transistor
integrated circuit

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

there is better coordination in the materials-handling area
product design represents approximately one-half the engineering costs
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

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Automation System
Straight-line operations:

must be limited to two per workpiece
All of these
None of these
can include diagonal cuts if they aren't curved
must be parallel to one of the axes of the coordinate system

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Automation System
Most industrial control applications:

None of these
can be done more reliably using solid-state methods
must have the process specified correctly to be successful
All of these
can be solved using more than one method of control

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