Automation System
Stepping motors:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
If the transient response is under damped:

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

ANSWER DOWNLOAD EXAMIANS APP