Automation System
Productivity is defined as:

output per man-hour of labour
None of these
number of items manufactured per day
cost per day
cost per unit

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Automation System
A stepping motor;

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

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Automation System
Speech recognition:

All of these
will be used in more applications as the technology matures.
is already widely used in industrial controls
None of these
will never be used in industrial controls

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