Automation System
Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

Solid modeling
Wire-frame modeling
None of these
Surface modeling
FEM (Finite Element Modeling)

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Automation System
Microcomputer-based control sys-tems

None of these
will just keep their present capability
will have more standard industrial application software available in the future.
will tend to increase in cost.
All of these

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Automation System
Time proportioning control:

None of these
a and b above.
can be used on a PM550 programmable process controller
cannot use a TM990 micro¬computer
is less efficient than normal PID control

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