In the wye-delta system shown in Fig. 12.44, the source is a positive sequence with Van = 440?0? V and phase impedance ZP = (2 – j3) ?. Calculate the line voltage VL and the line current IL.
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When two pipes are run parallel to each other, an offset must be made. For the two pipes to have a constant center-to-center distance, the offset elbow connecting the pipes must be shifted up by a specific amount, which is known as which of the following?
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? Identify and state the historical significance of Meriwether Lewis.
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