Automation System
Use of modern control technology in automation systems:

None of these
All of these
increases yield
improves reliability
reduces costs

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

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

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