Automation System
The axis of movement of a robot may include:

Wrist rotation
All of these
None of these
X-Y coordinate motion
elbow rotation

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Automation System
An aneroid barometer

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

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Automation System
A solenoid:

None of these
is related to an aneroid
is widely used in industrial automation
is spring operated
can be used only in de circuits

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