Automation System
Many things can be done to minimize downtime loss. Identify two of them.

stock critical spare parts
establish a user forum program
None of these
both b and c
provide an extra workstation

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Automation System
Straight-line operations:

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

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Automation System
The use of specialized workstations:

None of these
reduces the host computer workload
provides limited growth potentials for 3-D
has a high cost-performance tradeoff
reduces the host computer workload and allows more users

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

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

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