____ uses the Profibus protocol.

A. Siemens
B. Rockwell Automation


Answer: A

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The minimum diameter of galvanized pipe allowed for a grounding electrode is _____.

a. 1????2" b. 3????4" c. 1" d. 1-1????4"

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Why would it be foolish to carry a design past the preliminary stage without getting feedback from the client?

a. Few preliminary designs pass the client test without modification b. The preliminary design is a final stage c. It could interfere with maintenance of the program d. Most local ordinances require contacting the client

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After honing or deglazing, cylinder walls should be washed with ________

A) Oil soaked rags B) Cleaning solvent C) Hot soapy water D) Both B and C

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The parallel output of a shift register provides

A) simultaneous data bits at the output. B) a number of different possible configurations. C) time to complete each state. D) none of the above.

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