____ uses the Profibus protocol.

A. Siemens
B. Rockwell Automation


Answer: A

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On open-coat sandpaper, the abrasive covers _____.

a. 25 percent of the backing material b. 50 percent of the backing material c. 75 percent of the backing material d. the backing material completely

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Las baterías deben suministrar al menos el _____ del voltaje del sistema para la carga total de los circuitos que suministran energía de reserva obligatoria por ley.

a. 33-1/3% b. 0.5 c. 87-1/2% d. 1

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The furring, if any is to be used, and the thickness of the gypsum wallboard are indicated on the wall sections.

Answer the following statement true (T) or false (F)

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When a logic circuit symbol has no bubble on it, that line is said to be ________

Fill in the blank(s) with correct word

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