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
steady-state will be reached faster than if the system is overdamped
the present overshoot is zero
both a and b

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Automation System
A dc servo motor:

None of these
can provide precise position control
uses a tachometer for speed feedback
uses a variable dc voltage for speed control
All of these

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