Automation System
If the transient response is under damped:

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

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Automation System
Relay ladder logic is used in a PC because:

None of these
All of these
it is impossible to write a control program for a machine in any other logic
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is the best industrial control language ever developed.

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