Automation System
Which type of digitizer measures a wave traveling at the speed of sound?

Caparitive
Digitizing sr amer
Electrostatic
Sonic
None of these

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Automation System
Stepping motors:

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

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Automation System
A continuous process is:

self-contained in that raw materials enter the process and an identifiable products exits the process.
None of these
used only with analog controllers.
one that never shuts down
used only for simple tasks

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