Automation System
A technique for displaying applications where complex 3-D geometric are required for the exteror shall of a product is called:

surface modeling
2-D modeling
None of these
3-D modeling
solid modeling

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Automation System
The use of specialized workstations:

provides limited growth potentials for 3-D
has a high cost-performance tradeoff
reduces the host computer workload
None of these
reduces the host computer workload and allows more users

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Automation System
Relay ladder logic is used in a PC because:

most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is impossible to write a control program for a machine in any other logic
it is the best industrial control language ever developed.
None of these
All of these

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