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

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

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Automation System
Numerical control:

is a method for producing an exact number of parts per hour
None of these
is a method for controlling the operation of a machine by means of a set of instructions
applies only to milling machines
All of these

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