Automation System
A solenoid:

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

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Automation System
An aneroid barometer

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

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Automation System
If the transient response is under damped:

the value of the output will exceed the value of the input at times during the transient period
None of these
the present overshoot is zero
both a and b
steady-state will be reached faster than if the system is overdamped

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