Automation System
Programmable controllers:

cannot perform functions other than relay logic
None of these
are programmed using relay ladder logic
are widely used in many different industries
(a) and (c) above

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Automation System
CAE and CAM are linked through:

parts production and testing
NC tape programming and automated design
assembly automation and tool production.
a common data base and communications system
None of these

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Automation System
An aneroid barometer

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

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Automation System
Microcomputer-based control sys-tems

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

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