Automation System
The method of solid modeling that defines the topology of faces, edges, and vertics, as well as data that defines the surface in which each face lies is called:

boundary representation
isometric
None of these
constructive solid geometry
layering

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Automation System
A dc servo motor:

can provide precise position control
uses a variable dc voltage for speed control
All of these
uses a tachometer for speed feedback
None of these

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Automation System
What is the process lag?

None of these
The time it takes for the sensor to respond to a changed.
The lag in the error signal when the setpoint is changed.
The time it takes for the mass of the process to respond to an input change.
All of these

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