Automation System
Robots can increase productivity because:

they do not get tired
None of these
All of these
they do not take a vacation
production quality is uniform

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

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

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Automation System
How is the integral mode implemented on a digital controller?

the error signal is summed over a discrete time interval and accumulated by the controller
All of these
the error is divided into discrete amounts
the digital controller cannot handle integral mode
None of these

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Automation System
High-level languages:

are very difficult to use
require knowledge of the computer design
are "procedure-oriented"
cannot be used with automatic systems.
None of these

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Automation System
Straight-line operations:

must be limited to two per workpiece
None of these
can include diagonal cuts if they aren't curved
must be parallel to one of the axes of the coordinate system
All of these

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