Automation System
Which of the following may be classified as an automation system?

None of these
robotics
All of these
numerically controlled machine tools
automated warehouses

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

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

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Automation System
Semiconductor devices:

usually have a very short MTBF (mean time between failure)
None of these
are less reliable than electro¬mechanical components
All of these
have a very short infant mortality period

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