Automation System
Many things can be done to minimize downtime loss. Identify two of them.

provide an extra workstation
stock critical spare parts
None of these
both b and c
establish a user forum program

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

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
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
All of these

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Automation System
Semiconductor devices:

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

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