Automation System
For a type 1 system, the steady-state:

(a) and (c)
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
Stepping motors:

can run both clockwise and counterclockwise
do not require commutators
can run at varying speeds
can be built to index different amounts by changing the pole configuration
All of these

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