Automation System
Speech recognition:

will be used in more applications as the technology matures.
is already widely used in industrial controls
All of these
will never be used in industrial controls
None of these

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

All of these
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

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Automation System
An aneroid barometer

can measure only atmospheric pressure
can be used to measure gas or liquid flow rates
measures pressure by sensing deflection of an evacuated chambers.
None of these
is very unreliable

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