Figure 12.76 displays a three-phase delta-connected motor load which is connected to a line voltage of 440 V and draws 4 kVA at a power factor of 72 percent lagging. In addition, a single 1.8 kVAR capacitor is connected between lines a and b, while a 800-W lighting load is connected between line c and neutral. Assuming the abc sequence and taking Van = V? ?0°, find the magnitude and phase angle of currents Ia, Ib, Ic, and In.
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Three forces, 
act on a point as shown. The vector lengths are: a = 2560 lb, b = 2340 lb, and c = 3090 lb. Determine the resultant force in standard position. Round the magnitude to 4 significant digits and the angle to the nearest tenth degree.
Fill in the blank(s) with the appropriate word(s).
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Charging batteries can produce hydrogen and oxygen gasses.
Answer the following statement true (T) or false (F)
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Leaking valve stem seals will cause low cylinder compression.
Answer the following statement true (T) or false (F)
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____ is the difference between the set point and the value of the measured variable.
A. Offset B. Steady-state error C. Either a or b
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