Automation System
Actuators are used to:

activate a chemical
sense an object
make a mechanical movement
None of these
All of these

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Automation System
An aneroid barometer

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

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Automation System
The use of specialized workstations:

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

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