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

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
it simplifies the trial-and-error method
None of these
product design represents approximately one-half the engineering costs

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Automation System
What is offset error?

the difference between the controller output and the setting of the manipulated variable.
the difference between the control setpoint value and the actual value.
All of these
the difference between the sensor input and the absolute sensed parameter.
None of these

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Automation System
In raster-scan colour monitors, colour can be intensified by:

having each electron gun controlled by a composite signal
using an in-line gun arrangement with a solid metal mesh
grouping the phosphor dots in a circular pattern
None of these
having each electron gun controlled by separate signal

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