Automation System
For a type 2 system, the steady-state:

All of these
None of these
input for acceleration input is always non-zero
error for a step input is always zero
error for a velocity input is always zero

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Automation System
Programmable controllers:

are programmed using relay ladder logic
are widely used in many different industries
(a) and (c) above
cannot perform functions other than relay logic
None of these

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Automation System
What is the difference between integral and derivative control?

None of these
integral control has slower response to an error signal.
All of these
derivative control does not eliminate offset error
derivative control responds to a change in the rate of change in the error signal

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