The BACnet protocol is primarily used in:
A) Residential systems. B) Building automation control.
C) Small appliances. D) Commercial refrigeration systems.
B
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When all three lines of a delta-wye connection are carrying the same amount of amperage, what is the neutral current value?
a. zero b. two c. four d. six
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A device that is used to step up generated voltage to make it suitable for commercial transmission is called a _____.
a. power transformer b. current transformer c. potential transformer d. grounding transformer
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In a wye-connected system, the line voltage is higher than the phase voltage by a factor of the square root of ____.
a. 2 b. 3 c. 5 d. 7
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By default, pr formats the specified files into single-column pages of ____ lines.
A. 22 B. 33 C. 55 D. 66
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