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

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

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Automation System
A stepping motor;

has a speed proportional to voltage input
has a commutator
is a good choice where continuous rotation is needed
None of these
can index positional movement.

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Automation System
Stepping motors:

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

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Automation System
If the transient response of a system is overdamped:

the value of the output never stabilizes.
the value of the output exceeds the value of the input at times during the transient period.
None of these
the value of the output never exceeds the value of the input during the transient period.
All of these

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